Physics Price List PH 343

MECHANICS

Code Number	Product Name & Description	Price (Rs.)
BM- 1A	Screw Gauge Biotech - Moore & Wright type. Circular brass body, stainless steel screw & pivot, ratchet stop Range 15 x 1/100mm Steel Thread IME Type in velvet Box	230/- 330/-
BM- 1A	Range Box -20 x 1/100mm Stell Thread IME Type in velvet Box	255/- 355/-
BM- 1A	Range Box -25 x 1/100mm Stell Thread IME Type in velvet Box	325/- 325/-
BM- 1B	Screw gauge Engineering Type	1700/-
BM- 1C	Screw Gauge Imported dial type	3250/-
BM- 1D	Micrometer (screw gauge) demonstration 20 cm.	1450/-
BM- 1E	Micrometer (screw gauge) demonstration 20 cm imported with digital display	6600/-
BM- 2A	pherometer Brass Body with steel scerw & legs 1/100 mm	265/-
BM- 2B	1/200 mm	275/-
BM- 2C	Spherometer, college Pattern Double disc	370/-
BM- 2D	Double Disk 1/100mm	325/-
BM- 2E	Double Disk 1/200mm	335/-
BM-2B	Spherometer Demonstration, Biotech disc dia about 15 cms Aluminium.	1450/-
BM- 3	Vernier Callipers, Biotech with depth gauge
BM- 3A	15 cms. vernier reading to 0.001 cms. chromium plated	86/-
BM- 3B	-do- but with wheel drive	440/-
BM- 3C	-do- IME type in box with thump	330/-
BM- 3D	-do- with dial type Guaranted Accuracy Imported	1860/-
BM- 3E	-do- Imported with digital display- Size:6"	1500/-
BM-3F	-do- Imported size:6"	850/-
BM- 4	Model of Vernier, Demonstration type. 60 cms long channel type wooden Polshied	1450/-
BM- 5	Young's Modulus Apparatus Searles Pattern Biotech
BM- 5A	Body made of steel	1200/-
BM- 5A	Body made of Brass	1500/-
BM- 5A	Wooden case for above extra	370/-
BM- 5A	Set of 9 slotted weights 1/2 Kgm. each and one hanger	1700/-
BM- 5B	Young's Modules of Rods, Searles, Biotech (interference frings method) complete in all respects	13000/-
BM- 5C	Young's Modules Apparatus Vernier Type Biotech Complete with wall bracket and one stretching weight	1250/-
BM-5D	YOUNG’S MODULUS & POISSON RATIO OF GLASS APPARATUS. CORNUS METHOD. Complete with microscope, glass beam, perspex beam & weight set but without sodium vapour lamp assembly.	15600
BM -6	Bar Pendulam Biotech. with wall bracked
BM -6A	Rectangular steel strip type on metre long with holes at every 5 cms. Nickel Plated	950/-
BM -6B	Stainless steel circular bar with marks at ever 5 cms	3300/-
BM -6C	Brass Circular bar nickel Plated	1850/-
BM -6D	Tripod stand for above extra	2650/-
BM- 7	Kater's Pendulam Biotech with wall bracket.
BM- 7A	Steel rod 100 cms long Nickel Plated	2550/-
BM- 7B	Stainless steel Rod brass with brass weights	6450/-
BM- 7C	Stand for K.P - Tall Tripod form	2650/-
BM- 7D	Weight for Keter's Pendulam	2350/-
BM- 8	Barton's App)Torsion Apparatus, Horizental Searles Pattern Biotech
BM- 8A	50 cms. with two scales w/o weight	4600/-
BM- 8B	100 cms. with 3 scales w/o weights	6000/-
BM - 9	Torsion, Vertical Biotech, Price without weights	9700/-
BM - 9A	Torison Pendulum - 25 cm dia complete with wall bracket	3500/-
BM -9B	Searie's Rigidity Apparatus for finding Y & N Biotech
BM -9B-a	Steel N.P.	1600/-
BM -9B-b	Brass N.P. / S.S.	2700/-
BM -9B-c	Stand for above extra	2500/-
BM -10	Rigidity Modulus Dynamical method. Biotech 16" long x 1	1600/-
BM -11	Flat spiral spring, Spherometer Type with stand	3550/-
BM-11A	Spring Constant Apparatus - 1 Aluminium pipe. Heavy Pattern. Price without weight set & stop watch.	2200/-
BM -12	Maxwell Vibration Needle Biotech Graduated
BM -12A	Brass tube with wall bracket	4600/-
BM -12B	Stand for above extra	1800/-
BM -13	Fly wheel Biotech 8" with pointer w/o revolution counter & weight	4500/-
BM -13A	Ditto fitted with revolution counter	4160/-
BM -13B	Spare counter for fly wheel	975/-
BM -14A	Boyle's Law Apparatus, Biotech Metal base with levelling screws price without mercry	1400/-
BM -14B	Boyle's Law Apparatus, improved with graduated pippets with stop cock	3900/-
BM -15	Hares Apparatus	1450/-
BM -16A	Fortins Barometer in wooden case without mercury	10500/-
BM -16B	Mercury for above 500 gm	7020/-
BM -16C	Case for barometer 3 side transparent	3510/-
BM-17A	Aneroid Barometer Indian - Biotech	460/-
BM-17B	Aneroid barometer Demonstration type	780/-
BM-17C	Aneroid barometer imported Japan /England	1950/-
BM -18A	Slow Motion stand Biotech for Surface Tension	1700/-
BM -18B	Surface Tension Capillaries method	2730/-
BM -18C	-----do -------by drop method	3120/-
BM-18D	SURFACE TENSION BY CAPILLARY RISE METHOD. With slow motion stand, capillary attachment & travelling microscope	11200/-
BM -19	Bending of Beam Apparatus Biotech Price without weight	3000/-
BM -20	Koing Apparatus for bending of beam. Biotech price without weights	3500/-
BM -21	Bifillar Pendulum Biotech with bracket	3000/-
BM-21A	COUPLED PENDULUM - On stand. With light source, screen (graph), weight set & digital stop watch	20000/-
BM -22A	Inertia Bar Biotech 15 cms d/a with wall bracket	2500/-
BM -22B	Made of S.S. rod	4500/-
BM-22C	INERTIA TABLE. 15cms diameter. Steel C.P. rod, with stand.	3800/-
BM -23	At wood's Machine Biotech with wall bracket large	6800/-
BM -24A	Stop clock Biotech with fly back action, Deluxe	750/-
BM -24B	Stop clock EASAL	1450/-
BM -24C	Stop clock England Smith	1950/-
BM -25A	Stop watch Racer/Imprted	3250/-
BM -25B	1/10th Second dimond	7500/-
BM -25C	Digital	400/-
BM -26A	Viscosity Apparatus Biotech Manometer type with constant level tank of brass N.P.	2550/-
BM -26B	Apparatus for measuring viscosity of liquids Oscilllating disc. Method (Mayer's Method) Biotech	1750/-
BM -26C	Rankine's apparatus for determination of Viscosity of Gases BIOTECH	1150/-
BM -26D	Vicosity by Stokes Method	1980/-
BM -27	Viscometer, Searies pattern, Biotech price without weight	5200/-
BM -28	Vicosity Apparatus Rotating Cylinder type. Biotech with electric motor and countre	46000/-
BM -29	Jaegers Apparatus for determination of surface tension Biotech w/o travelling microscope	2100/-
BM -30	Surface Tension Balance, Searle's Biotech	2420/-
BM-30A	SURFACE TENSION APPARATUS. DENOUY’S. For surface tension of liquids.	24000/-
BM -31	Surface Tension by Ripples Apparatus Biotech	22000/-
BM -32A	Quickness Apparatus for the determination of surface Tension of Mercury Biotech-Price without mercury & travelling microscope	820/-
BM -32B	Mercury double distilled	21000/-
BM -32C	Travelling Microscope	9200/-
BM -33A	Parallelogram Law of Force Apparatus Biotech with brass weight	3700/-
BM -33B	-do- weights of Iron N.P. (for above)	1700/-
BM -34A	Hot Air Blower Philips / Imported	3200/-
BM -34B	- Do -- Indian	975/-
BM -35	Meter Rods, Biotech	1450/-
BM -36	Half meter rods, Biotech	715/-
BM -37	Slotted weights set of 4 and 1 hanger.
BM -37A	50 gms (Total weight 250 gms) Brass C.P. Weights Iron C.P. Weights	840/set 200/set
BM -37B	100 gms (Total weight 500 gms) Brass C.P. Weights Iron C.P. Weights	1600/set 400/set
BM -37C	200 gms (Total weight 1.00 kg) Brass C.P. Weights Painted Iron Weights	3200/set 500/set
BM -37D	500 gms (Total weight 2.5 Kg) Painted Iron Weights	850/-
BM -38	Manometer -open and 18" with stand	320/-
BM -39	Constant Level Tank	1630/-
BM -40	Rising Table with slow motion	2340/-
BM -41	Specific Gravity Bottles, (R.D. bottle) Borosilicate glass
	Cap ml. = 10cc	90/- Each
	Cap ml. =25 cc	130/- Each
	Cap ml. =50 cc.	170/-Each
	Cap ml. =100 cc	315/-Each
BM -42A	Nicholson's Hydrometer. Biotech	600/-
BM -42B	Jar for above extra	850/-
BM -43A	Inclined Plane Friction Apparatus with protactor Glass top, Brass Arc and Brass N.P. Roller	1700/-
BM -43B	Double inclined plane-Export quality	1800/-
BM - 44	Wooden block
BM - 44A	3" x 2" x 1/2"	100/-
BM - 44B	4" x 2.5" x1"	150/-
BM -45	Friction Board	1950/-
BM -46	Vacuum Cum pressure pump. Biotech	8700/-
BM -47	Rotary High Vacuum Pump. Biotech Diaphram type
BM -47A	Double stage-Displacement
	Cap in Lit = 25	34000/-
	Cap in Lit =50	40000/-
	Cap in Lit =75	47000/-
	Cap in Lit =100	53000/-
	Cap in Lit =150	64000/-
BM -48	Poisson's Ratio of Rubber Apparatus Biotech prise without weight	2550/-
BM -49	Meter Scale 100 cm. Wooden	56/-
	Stainless Steel	400/-
	1/2 meter wooden	28/-
BM -50	Measuring Tape Size = 2 M	55/-
	Size =3 M	80/-
	Size =15 M	410/-
	Size =30 M	530/-
BM -51	Ticker Tape Time Biotech 220V AC operate with about 50 strokes per seconds with carbon Disc & Coll of tape roll	1500/-
BM -52	Spare Spool of tape roll	250/-
BM -53	Calculators - Imported/Cassio/Citizen
BM -53A	LCD 8 digit memory pocket calculator (working on penlight cell) with carrying case	600/-
BM -53B	8 digit advance scientific penlight cell with carrying case, Imported/Cassio /Citizen	1320/-
BM -53C	LCD 10 Digit double memory desktop calculator (working on penlight cell)	1176/-
BM -53D	Calculator with printer LCD 10 digit green display desktop calculator with double memory & printer	2280/-
BM -53E	Imported/Cassio/Citizen -12 digit mini printer cum display desk calculator charger and rechageable Nickle cadmium cell	6240/-
BM -53F	Maxi-digit heavy duty printer 14 digit green display heavy duty printer cum display desk calculator working on direct 220 V AC.	5400/-
BM -54	Thermometers Laboratory C & F 10 to 110	70/-
	Range - 0 to 250 x 1°C or 0-360 x 1°C	70/-
	Range - 10-110 x 1/2°C or 250 x 1/2°C or 360 x 1/2°C	100/-
BM-54A	THERMOMETERS. Accurately calibrated. In case. Mercury/Alcohol filled
	Alcohol (Regular) 0 to 110 x 1 °C. Alcohol (Superior) 0 to 110 x 1 °C. Mercury (Regular) 0 to 110 x 1 °C. Mercury (Superior) 0 to 110 x 1 °C.	62/- 110/- 105/- 150/-
	Alcohol (Regular) 0 to 110 x ½ °C. Alcohol (Superior) 0 to 110 x ½ °C. Mercury (Regular) 0 to 110 x ½ °C. Mercury (Superior) 0 to 110 x ½ °C.	68/- 115/- 110/- 160/-
	Mercury (Regular) 0 to 250 x 2 °C. Mercury (Superior) 0 to 250 x 2 °C.	110/- 160/-
	Mercury (Regular) 0 to 360 x 2 °C. Mercury (Superior) 0 to 360 x 2 °C.	110/- 160/-
BM-54B	PRECISION THERMOMETERS. Accurate. In case. Mercury filled.
	-5 to 50 x 1/5 th °C. -5 to 50 x 1/10 th °C. -5 to 100 x 1/5 th °C. -5 to100 x1/10 th °C.	210/- 370/- 350/- 510/-
BM -55A	Thermometer Max & Mini Indian Deluxe	250/-
BM -55B	Japan/England/Imported	960/-
BM -56A	Thermometer Wet & Dry Indian Deluxe	200/-
BM -56B	-do- Japan/England/Imported	900/-
BM -57A	Thermometer wall indian best quality	120/-
BM -57B	-do- Japan/England/Imported	400/-
BM -58	Thermometer Dial Type	600/-
BM -59	Thermometer Digital with one meter probe	1500/-
BM -60	Lactometer Best Quality with glass tube	90/-
BM -61	Bucket and cylinder brass superior	290/-
BM -62	Set of cylinder -Metalic Biotech set of 6 Metals
	Length x dia 1/2" x 1"	Rs. 365/Set
	Length x dia 1/2" x 1.5"	Rs. 500/Set
BM -63	Cubes-set of 6 Metals With hole 1 x 1/2"	Rs. 455/set
	With hole 1.5" x 1/2"	Rs. 585/set
	W/O hole 2 x 1/2"	Rs. 900/set
BM -64	Rectangular Blocks set of 6 different Metals with hole in centre for thermometer-set	1100/-
BM -65	Spheres -set of 6 different Metals Dia= 1/2"	375/set
	Dia= 3/4"	470/set
	Dia= 1"	780/set
BM -66	Pressure of liquids in all directions	260/-
BM -67	Pendulam Bob - with hook Dia = 1/2" Brass Each- Set of 6-	50/- 290/-
	Dia =3/4" Brass Each- Set of 6-	80/- 460/-
	Dia =1" Brass Each- Set of 6-	100/- 663/-
BM -67 A	(i)Simple Pendulum	1050/-
	(ii) Centilever Pendulum	850/-
BM -68	Innertia Table biotech - 15 cm. Dia table, with set of ring sections and Geometrical weights superior Quality	5000/-
BM -69	Charle's Law app. with weights	1500/-
BM -70	Hook's Law app. with weights	850/-
BM -71	Hook's Law app. Superior quality Biotech	1950/-
BM -72	Helicle spring one stand with pointer and hook with mirror	2470/-
BM -73	Law of moments wooden with slotted weight superior	345/-
BM -74	Lead shots (per 100)	650/-
BM -75	Plumb Bobs Big size Metalic	350/-
BM -76	Pulley Z for parallelogram App	120/-
BM -77	Pulley long of parllel with hook Single	80/- Each
	Double	115/- Each
	Tripple	165/- Each
BM -78	'G' Clamp Size - 2"	200/- Each
	Size - 3"	240/- Each
	Size - 4"	290/- Each
	Size - 5"	480/- Each
BM -79	Dial Balance Top pan Japan type fibre glass with zero adjustment device
	Cap. = 500 gm	700/- Each
	Cap. = 1 Kg	850/- Each
	Cap. = 2 Kg	950/- Each
	Cap. = 5 Kg	1300/- Each
BM -80	Spring balance superior Quality Plastic /Metal body with Zero adjustment device.
	Cap in gm. = 50	50/- Each
	Cap in gm. =100	60/- Each
	Cap in gm. =250	80/- Each
	Cap in gm. =500	95/- Each
	Cap in gm. =1000	120/- Each

Biotech Models

Code Number	Product description	Price (Rs)
BMO-1	Model working Dynamo on base.	660
BMO-2	Model working Motor AC/DC	660
BMO-3	model working Solar cooker.	900
BMO-4	model working bio gas plant	900
BMO-5	model working wind Mill.	900
BMO-6	model working steam engine	3000
BMO-7	Model working steam Dissected.	1800
BMO-8	Model working Petrol Gas plant.	1800
BMO-9	Model working Diesel or Gas Engine.	1800
BMO-10	Model working Internal Combustion.	1800

Heat

Code Number	Product Name & Description	Price (Rs.)
BH -101	Linear Expansion Apparatus. (Pullinger's Apparatus) Biotech 50 cms. Brass w/o hol plate	3000/-
BH -101A	-Do- 100cm Brass	4600/-
BH -102	Coefficent of Linear Expansion Apparatus, Pullingers vertical all metal with optical lever Biotech.
BH -102A	50 cms. long steel/Brass	3500/-
BH -102B	100 cms. Long Brass	6000/-
BH -103	Constant volume or (Pressure) air thermometer Biotech	4000/-
BH -104	Jolly's Constant volume Air thermometer Biotech	3480/-
BH -105	Joules Caloriemeter - Biotech - Deluxe
BH -105A	3" x 2"	750/-
BH -105B	4" x 3"	950/-
BH -105C	Welch Type with Triple Action Stirrer	1500/-
BH -106	Regnaults Caloremeter- Biotech	6000/-
BH -106A	Regnaults hygrometer brass	1950/-
BH -107	Newtons Law of Cooling Apparatus. Biotech
BH -107A	University Pattern. Brass Nickel Plated	2600/-
BH -107B	Simple Type. Made of Brass Sheet	1850/-
BH -108	Calendar and Barnes Apparatus biotech	2200/-
BH -108A	Transformer for use with above 24 volts 2 amps	1800/-
BH -108B	Thermometer - 5 to 50°C 1/5th - 2 Nos)	210/-
BH -108C	A.C. voltmeter 0-30 volts spare	965/-
BH -108D	A.C. voltmeter 0-3 AMP spare	965/-
BH -109A	Searies Apparatus for finding 'J' Biotech. Hand driven type with revolution counter	17500/-
BH -109B	-Do- But fitted with electric motor (Mains operated) - Hand revolutioner counter	45000/-
BH -110	Lee's and Chariton conductivity apparatus Biotech	8000/-
BH -110A	Spare steam Generator 2 liter capacity jointless	1200/-
BH -110B	Spare Thermometer 0 to 110 x 1/2 degree C	70/-
BH -111	Thermal Conductivity searles apparatus. Biotech A. With copper rod 12" x 1 B. -do- but with copper rod of 12"x1.5" C. Thermometer 110 x 1/2 degree each D. Spare steam boiler Jointless	8200/- 15000/- 70/- 1200/-
BH -112	Thermal Conductivity of Glass Apparatus Biotech	4500/-
BH -112A	Thermometer - 5 to 50 x 1/10th degree c for above	90/-
BH - 113	Thermal conductivity of rubber tubing apparatus Biotech Deluxe Quality	2800/-
BH -114	Victor Mayer's Apparatus Biotech A. -do- Made of Borosil Glass B. -do- Outer Jacket made of coper, rest of borosil glass	2700/- 4000/-
BH -115	Clement & Desormes Apparatus. 10 lts. Capacity Biotech Deluxe Quality	8500/-
BH -116	Thermo Couple on wooden stand, Biotech	600/-
BH -116B	Thermo Couple Iron /Copper Copper/Eureka Antimony/Bistmath	1600/- 1600/- 2200/-
BH -117	Thermoplie, Biotech 12 Paires	3550/-
BH -117B	-do- 24 Paires	3900/-
BH -117C	-do- 48 Paires	7800/-
BH -118	Latent heat of steam Apparatus. Barthelots, Biotech	3550/-
BH -119	Forbes Apparatus for determination of conductivity of metal bar, Biotech	1750/-
BH -120	Steam Boilers Copper, Jointless Biotech
	Cap =1 Lit	1000/- Each
	Cap = 2 Lit	1500/- Each
	Cap =3 Lit	3000/-Each
	Cap =4 Lit	5800/-Each
BH -121	Steam Heater Generator Copper Jointless Cap = 1 Lit Cap = 2 Lit Cap = 3 Lit Cap = 4 Lit	1000/- 1375/- 2100/- 3500/-
BH -122	Hypsometer or steam heater Biotech - Copper made	1500/-
BH -122A	-Do- Small size 8cm Dia	1100/-
BH -122B	-Do- Bigger size 10cm Dia	2100
BH -123	Copper Clorimeter Biotech Deluxe
BH -123A	7 x 5 cms. with outer cover and stirrer in wooden box	450/-
BH -123B	10 x 7.5 cms. ----do ---- 4x3"	900/-
BH -123C	15 x 10 cms. ----do ------ 6x4"	2200/-
BH -123D	Copper caloriemeter Jointless copper vessel (only) Size = 2" x 1" Size = 3" x 2" Size = 4" x 3"	130/- 170/- 315/-
BH -125	Stefan's constant Apparatus. Biotech deluxe complete	9200/-
BH -125A	A. Stefan's Law Electrical	7200/-
BH -126	Hot plate round 17.5 cms. dia with regulator	1500/-
BH -127	Hot plate Round with 3 Heat rotary control switch
BH -127A	1500 Watts Biotech	2200/-
BH -127B	-do- with Energy Regulator Control Biotech	2850/-
BH -128	Bar and Gauge App. Heavy pattern	430/-
BH -129	Ring and Ball Apparatus Brass	360/-
BH -130	Ring and Ball Apparatus with stand	570/-
BH -131	Backman's Freezing Point. Thermometer	6600/-
BH -132	Back mann's thermometer digital with probe most accurate	9000/-
BH -133	Bunsen Burner Brass Pipe	120/-
BH -134	Bunsen for LPG Pipe - with stop cock	210/-
BH -135	Petrol gas Plant Burners with 20 Burners	18000/-
BP-257	Dulong & Petit's Apparatus. For Co-efficient of absolute expansion of mercury	8000/-

Light

Product Code	Product Name & Description	Price (Rs.)
BL-201	Spectrometer Biotech Stainless Steel Scale, in wooden case deluxe quality.
BL-201A	Scales 5" vernier reading to 1 min or 30 seconds	9150/-
BL-201B	Scales 6" vernier reading to 1 minute	9200/-
BL-201C	Scales 6" vernier reading to 30 seconds	9600/-
BL-201D	Scales 7" vernier reading to 1 min	11000/-
BL-201E	Scales 7" vernier reading to 30 sec	11200/-
BL-201F	Scales 9" vernier reading to 1 min	27500/-
BL-201G	Scales 9" vernier reading to 30 sec	28200/-
BL-201H	Scales 10" vernier reading to 1 min	31000/-
BL-201I	Scales 10" vernier reading to 10 or 20sec	34000/-
BL-201J	Graticule (instead of cross-wire) can be fitted at extra cost	550/-
BL-201K	Deffaraction Grating 15000 LPI	2520/-
BL-201L	Polarizer and Analyser to fit on objective of telescope and collimator of spectrometer, each graduated in degrees and fitted with venier to read angle of rotation	7500/-
BL-201M	Gauss Eyepiece - Per pair	700/-
BL-201N	Micrometer Sacle fitted spectrometer eye piece (extra)	700/-
BL- 202	Travelling Microscope Vertical and Horizental Movement Type. Biotech stainless steel scale in wooden case	9200/-
BL- 202A	But instead of vernier,a rotating graduated drum with 100 divisions	13000/-
BL- 202B	Extension arm for above extra	2000/-
BL- 202C	Instead of cross wire, graticute can be fitted at extra	550/-
BL - 203	Travelling Microscpe with three motions (Horizontal, Vertical and Right angled Transverse motion)	12200/-
BL - 204	Six position travelling microscope Biotech	8880/-
BL- 204A	Travelling Microscope Bridge form for newton rings stainless steel scale	7000/-
BL- 204B	Newton rings microscope compact form. Biotech	8988/-
BL - 205	Vertical reading Microscope Biotech deluxe quality	12800/-
BL - 206	Micrometer slides comparator for direct measurment 50 mm in step of 0.01 mm on large micrometer head	16500/-
BL - 207	Cathetometer - Universal, Biotech Brass =50 cm	30000/-
	Brass =100 cm	32500/-
BL - 208	Bobinet's Compenstaor Biotech with quarter wave plate rounded on brass disc	16560/-
BL-208A	Bobinet's compensator with quarter wave plate mounted on a brass disc with 360 degree graduation	21000/-
BL-209	Reading Telescope with stand Biotech -College grade.	3600/-
BL- 209A	With stand and scale University Grade Biotech	3800/-
BL- 209B	Deluxe type tilting motion very heavy base	5800/-
BL - 210	Sextant Standard Pattern Biotech all brass in woodcase	10300/-
BL - 210A	Stand for sextant-adjustable	5500/-
BL - 211	Lummer Brodhm Photometer (head only) Biotech.	10600/-
BL - 211A	With assembly mounted on double bar optical bench Biotech 1.5 Meter long with accessories	18500/-
BL - 212	Optical Bench-Wooden one meter long with 4 Nos. riders 2 nos lens holder and 2 Nos.Optic pins complete with sunmica base	2200/-
BL - 213	Optical Bench single Bar type Metallic Biotech
BL - 213A	Working Length 1 Meter	3500/-
BL - 213B	Working Length 1 1/2 Meter	4500/-
BL - 214	Accessories for optical Bench wooden
BL - 214A	Lens holder-Semicircular	150/-
BL - 214B	Lens Holder-Universal Adjustable	235/-
BL - 214C	Optical Pin-Heavy	65/-
BL - 214D	Optical Pin - Brass CP	100/-
BL - 214E	Stand for lens holder or optical pin	100/-
BL - 214F	Ground Glass Screen	120/-
BL - 214G	Lamp Housing with holder	975/-
BL - 214H	Candle Holder	150/-
BL-214I	Lens holder parallel bar type for lenses upto 75mm in diameter-	280/-
BL-214J	Spring type, brass nickel plated	700/-
BL-214K	Stand for lens holder metallic	300/-
BL - 220	Optical Bench Metalic two type. University grade Biotech with 4 riders with 2 transverse motion and lens holders and 2 needles
	Working Lengh A. Both rods of steel B. Brass rods C. Stainless steel rods	100 cms. 7000/- 7900/- 8600/-	150cm. 7900/- 9000/- 9800/-
BL - 221	RESEARCH OPTICAL BENCH. “Biotech”. Fitted with stainless steel scale. 170 cms long, with 4 riders having attached vernier, 1 slit, 1 Bi-prism holder & 1 micrometer eye-piece.	155000/-
BL - 222	Bi-prism Assembly Biotech. complete on bench 150 cms longs with 4 riders tow with transverse motion one slit one biprism holder and one micrometer eye piece.	16000/-
BL - 222A	-do- with brass rods of S.S. rod	18000/-
BL - 222B	-do- without optical bench	3750/-
BL - 223	Film strip cum slide projector Biotech blower cooled with set of japan lences	5400/-
BL - 223A	Automatic slide projector with remote control Japan or German or exhibitor	15600/-
BL - 224	Epidiascope complete with 1000 watts bulb Biotech with slide and film strip projector attachment	17500/-
BL - 225	Projection screen Biotech 52" x 70 " complete with tripod stand deluxe quality	3150/-
BL - 226	Over head projector, Biotech complete with double halogen lamp Deluxe quality	6840/-
BL - 227	Nodal side Assembly Biotech complete on 150 cms long double bar bench with ms roads.	19500/-
BL - 227A	-do- same but bench is of stainless steel	21500/-
BL - 228	Refractive Index of Liquid Apparatus. Biotech	350/-
BL - 229	Sodium Vapour Lamp. Imported 35 watt	15000/-
BL - 229A	Sodium Vapour Lamp. Imported 55 watt	15000/-
BL - 229B	Leak transformer for sodium Lamp Biotech 35 watt	3700/-
BL - 229C	Leak transformer for sodium Lamp Biotech 55 watt	3700/-
BL - 229D	Wooden Box with slits on 2 sides - 35 watt	1400/-
BL - 229E	Wooden Box with slits on 2 sides - 55 watt	1500/-
BL - 230	Slit Box for sodium or mercury lamp	1100/-
BL - 231	Polarimeter with one glass tube
BL - 231A	Laurents hald shade device with 1 glass tube	6200/-
	(B)-Do- with 2 glass Tube	7400/-
	(C) Spare glass tubes 100 or 200 mms long with bubble in the centre.	600/-
BL - 231B	Polarimeter with Bi-quartz Half shade Device with one glass tube.	7500/-
BL - 231C	Setup for polarization by reflection & verification of brew ster & malus law	22000/-
BL - 232	Slit for Magnifying power of a telescope. Biotech	1000/-
BL - 232C	SINGLE SLIT. Adjustable. For Diffraction Experiment Using Sodium Light. Slit width variable.	1000/-
BL - 232D	DOUBLE SLIT. Adjustable. For Diffraction Experiment Using Sodium Light. Slit width variable.	1200/-
BL - 233	Slit for Resolving power of a telescope Biotech	1400/-
BL - 234	Newton rings Apparatus. Biotech complete with micrometer bild reflector. condensor w/o sodium lamp	8200/-
	A. Ring lens set. Newton's Ring App without Microscope.	500/-
	B. Newton's Lens set plano-convex & plane glass-50 cms	560/-
	C. 45° Plate type. Wooden box with 45° glass plate & Newton ring lens set (plate glass)	500/-
BL - 234D	NEWTON’S RING LENS SET. “Biotech”. Set of plano convex lens & plane glass plate. 100cms or 200cms focal length
	A. Made from Crown glass (extra white glass)	50mm 575/-	60mm 770/-
	B. Made from plate glass (green glass)	50mm 200/-	60mm 270/-
BL - 235	MERCURY VAPOUR LAMP. 125 watts. Complete with choke to work on 220 volts A.C.	1800/-
BL - 235A	Wooden Box for mercury vapour lamp, with 2 slits	1400/-
BL - 235B	CHOKE FOR MERCURY VAPOUR LAMP. (SPARE). 80W or 125W (any one).	1500/-
BL -236	Glass Slabs. Biotech A. 3'x2'x1/2' (75x50x12mm) B. 3'x2'x3/4' (75x50x18mm) C. 4'x2.5'x1' (100x50x18 mm) D. 4'x2'x3/4' (100x60x18mm) E. 4'x2.5'x3/4' (100x60x25mm)	Indian 50/- 100/- 130/- 150/- 200/-	English 70/- 180/- 200/- 280/- ---
BL - 237	PRISM FOR PIN EXPERIMENT. “Biotech”. Made from Indian molded glass	90/-
A.	Superior Quality 25mm -----	38mm 105/-	50mm 180/-
B.	Extra White Glass 25mm 300/-	38mm 575/-	50mm 1150/-
BL - 238	Spectrometer Prisms Biotech -----------------------------------------25x25mm Borosilicate Grown Glass --- 150/- Flint Glass ------------------------- 325/- Dence Flint glass ----------------400/- Eaxtra Dence Flint glass ------1200/-	32x32mm 250/- 400/- 500/- 1900/-	38x38mm 415/- 700/- 900/- 2800/-
BL - 239	Prism Hollow Biotech 38x38x38 mm	870/-
	50x50x50 mm	1050/-
BL-240	Diffraction Grating Biotech (1500 LPI)	470/-
BL-240A	-do- Hilger & Watts type (1500 LPI)	1950/-
BL-240B	Diffraction Grating Imported (15 LPI)	2550/-
BL-240C	3 in 1 Diffraction Grating (1500, 7500, 2500 LPI in one)	2900/-
BL - 241	Lenses Concave or convex. Made from plate glass. optically ture highly polished & wall edged
BL - 241A	Focal Length Lens Dia - 50 mm 10 or 12 cms	C.cave -88/- C.vex -70/-
	Focal Length Lens Dia -50 mm 12,15,25 cms	C.cave -70/- C.vex -60/-
	Focal Length Lens Dia -50 mm 30,40,50,100 cms	C.cave -70/- C.vex -60/-
BL - 241B	Focal Length Lens Dia - 75mm 10 or 12 cms	C.cave -150/- C.vex -115/-
	Focal Length Lens Dia -75 mm 12,15,25 cms	C.cave -80/- C.vex - 65/-
	Focal Length Lens Dia -75 mm 30,40,50,100 cms	C.cave - 50/- C.vex -40/-
BL - 241C	Focal Length Lens Dia - 100mm 10 or 12 cms	C.cave - C.vex -480/-
	Focal Length Lens Dia -100 mm 12,15,25 cms	C.cave -300/- C.vex -150/-
	Focal Length Lens Dia -100 mm 30,40,50,100 cms	C.cave -150/- C.vex -105/-
BL - 242	Mirrors Biotech. Optically Ture- Highly Slivered and varnished cancave or convex F 10 to 25 cm.
	Dia Size - 50mm	72/-
	Dia Size - 60mm	120/-
	Dia Size - 75mm	145/-
	Dia Size - 100mm	290/-
	Dia Size - 150mm	770/-
BL - 243	Mirror Strip-Highly sliver coated Size -3'x1'	156/- per doz
	Size -3'x2'	192/- per doz
	Size -4'x1'	216/- per doz
	Size -4'x2'	348/- per doz
BL - 244	Mirror strip-Holder	15/- each
BL - 245	Biprism Fresnels only Biotech optically ture 40x32 mm	750/-
BL - 245A	-do - size 50 x 40 mm	800/-
BL - 246	Astronomical Telescope Biotech Magnification 60x
BL - 246A	Archromatic objective 50 cm focal length portable with wooden tripod stand	6500/-
BL - 246B	Astronomical telescope with terrestrial eye piece to observe errect image of objectives	8500/-
BL - 246C	-do- Deluxe Quality for stars	33000/-
BL - 247	Magnifier Biotech in metal frame N.P. Magnification
	Dia - 50 mm	126/- Each
	Dia - 60 mm	166/- Each
	Dia - 75 mm	210/- Each
	Dia - 100 mm	380/- Each
BL - 248	Direct Vision Spectroscope Biotech to study solar spectrum with adjustable slit in velvet case.	2550/-
	DIRECT VISION SPECTROSCOPE. “Biotech”. With adjustable slit, achromatic objective and three element prism	3000/-
BL - 249	Binocular Prismatic Imported High Power	3700/-
BL - 249A	BinocularPrismatic Zenith	9500/-
BL - 249B	BINOCULAR. PRISMATIC. IMPORTED	10x50 7600/-	20x50 9200/-
BL -250	Pin or stand. All metal Height adjustable Biotech	200/-
BL - 252	Harties Optical Disc. Biotech complete with optical set of accessories and a source of light	4000/-
BL -253	Newtons colour disc. Motorised working on 220 volts AC/DC Biotech	700/-
BL -255	Polaroids. Biotech a pair of polaroids. English but Mounted in india in metal frame	1100/- per pair
BL -255B	— do — Mounted on a graduated circular scale (brass) of 360°. With pointer to read the angle of rotation	3450/-per pair
BL - 256	LLOYD’S MIRROR. “Biotech”. Mounted. With slow motion arrangement. Size 35 x 120mm	2000/-
BL - 257	Fresnels Double Mirror. Biotech with arrangement	1100/-
BL - 258	Calcite Crystals. Biotech to show double refrection Size -12 mm	1260/- Each
	Size -18 mm	1800/- Each
	Size -25 mm	2760/- Each
BL - 259	Nicol Prisms. Biotech to produce plane polarised light Size of end face -6 mm	2500/-
	Size of end face -10 mm	3200/-
	Size of end face - 12 mm	4200/-
BL - 260	Calcite/Quartz Prisms. Biotech with optic axis parallel to refracting edge
	Size (mm) -12.5x12.5 (Quartz) Size (mm) -15x15 (Quartz) Size (mm) -18x18 (Quartz) Size (mm) -25x25 (Quartz)	2050/- 2900/- 3200/- 5400/-
	Size (mm) -12.5x12.5 (Calcite) Size (mm) -15x15 (Calcite) Size (mm) -18x18 (Calcite) Size (mm) -25x25 (Calcite)	6900/- 7800/- 9000/- 11200/-
BL - 261	Calcite/quartz Prism with optic aixs parrllel to base single image observed along minimum deviation position. Size (mm) -12.5x12.5	2000/- Each
	Size (mm) -18x18	3000/- Each
	Size (mm) -25x25	5300/- Each
BL -262	Drawing Board - Superior Quality made of soft wood Size (mm) -12"x18"	160/- Each
	Size (mm) -16"x23"	370/- Each
	Size (mm) -23"x32"	900/- Each
BL - 263	Drawing Pins Deluxe (per PKT)	28/-
BL - 264	Drawing pin super deluxe circular head (Per PKT)	40/-
BP-414	AIR WEDGE PLATE. “Biotech”. Made from crown glass, having optically flat surface. (Price per pair)
A. B.	Size 75 x 25 x 3mm Size 50 x 25 x 4mm	350/- 300/-
BP-393	DIFFRACTION GRATING. Hilger & Watts. 15000 L.P. I. Window size 50 x 35mm	1200/-
	(b) –do– Hilger & Watts. 25000 L.P. I. Window size 50 x 35mm	1200/-
	(c) –do– Hilger & Watts. 2500 or 5000 or 7500 L.P.I. (Any One). Window Size 50 x 35mm	2000/-
	(d) –do– Indian. 15000 L.P. I. or 25000 L.P. I. (Any One). Window Size 50 x 35mm.	800/-
	(e) Grating. Indian. 2500, 7500 & 15000 L.P.I. in 1 grating. Window size 25 x 15mm for each	2500/-
	(f) Grating For Laser Expt. Indian. 100 or 200 or 300 or 400 or 500 L.P.I. (Any One). Window Size 10 x 10mm.	1100/-
	(g) Grating For Laser Expt. Indian. 600 or 700 or 800 or 900 L.P. I. (Any One). Window Size 10 x 10mm.	1100/-
	(h) 3-in-1 Grating For Laser Expt. Indian. 100, 300 & 600 L.P. I. in 1 grating. Window Size 10x10mm for each.	2500/-
BP-397	SLITS - FILM BASED, FIXED WIDTH. “Biotech”. Mounted between two glass plates. Size 60mm x 45mm.
A.	SINGLE SLIT - For laser experiments	400/-
B.	DOUBLE SLIT - For laser experiments	400/-
C.	PIN HOLE - For laser experiments.	400/-
D.	LINE PATTERN for Resolving Power of Telescope Expt. Slit width 2mm, Inter slit spacing 2mm.	400/-
E.	LYCOPODIUM POWDER SLIDE. For Experiment to Determination of Par ticle Size using Laser	1700/-

Physics-Magnetism

Product Code	Product Name & Description	Price (Rs.)
BMT-1	Electro magnet 8" coil college type - 12V/5A Supply	7500/-
BMT-1B	Power supply for above	2200/-
BMT-2	Electro magnet EM20 Biotech field strength about 20,000 gauss in one cm gap. University pattern	96000/-
BMT-2B	Power supply for electro magnet 100 volts /10 amps	27600/-
BMT-3	Electro magnet Biotech EM-10 field strength about 10000 gauss in one cm gap .university pattern	52800/-
BMT-3B	Power supply for electro magnet model EM-10,75 volts /5 amps.	15000/-
BMT-4	Electro magnet model EM-5 university grade 'Biotech' field strengt about 5K gauss in one cm gap.	40800/-
BMT-4B	Power supply for electro magnet model field EM-5 volts/ 3 amps	11000/-
BMT-5	Electro magnet for school strong superior quality. Size -3"	270/-
	Size -4"	320/-
	Size -5"	415/-
	Size -6"	700/-
BMT-6	DEFLECTION MAGNETOMETER. “Biotech”. Wooden base, one meter long. Complete with compass box.	800/-
BMT-7	(b) --do– but All Metal. All Metal base, with leveling screws. Complete with compass box.	2800/-
BMT-7B	....do... export quality Biotech	3000/-
BMT-8	Compass Box.Biotech	330/-
BMT-9	vibration Magnetometer, Biotech for 15 cms magnet.	1500/-
BMT-10	Magnetometer-Biotech all in one with 4 adjustable slider compass box. Coil carries for magnet,solenoid or vibration magnetometer.	2520/-
BMT-11	Dip circule standard rolling needle type .Biotech	9700/-
BMT-12	Dip circle standard pivoted needle type. Biotech	6000/-
BMT-13	Compass needle Biotech one side glass.	20/-
BMT-13B	Compass needle both sides glass	26/-
BMT-13C	Meriner's Compass	900/-
	Special Size: 2"	195/-
	3"	260/-
	4"	350/-
BMT-14	Compass needle (Wrist Watch type) with strap.	325/-
BMT-15	Earth Inductor ,all metal automatic return,Biotech. 500 turns	11000/-
	1000 turns	11500/-
	2000 turns	12800/-
	5000 turns	14000/-
BMT-16	Solenold inductor Biotech 100 cms long.	3800/-
BMT-17	Megnetic needle on stand routine type	35/-
BMT-17B	do- -do- superior quality	65/-
BMT-18	Bar Magnets Biotech powerful Alnico alloy in card board cases with keepers. Size - 1.5"	100/- per pair
	Size - 2" (Regular Quality)-11x7mm Size - 2" (Superior Quality)-12x8mm	135/- 150/-
	Size - 3" (Regular Quality)-11x7mm Size - 3" (Superior Quality)-12x8mm	200/- 230/-
	Size - 4" (Regular Quality)-11x7mm Size - 4" (Superior Quality)-12x8mm	270/- 310/-
	Size - 6" (Regular Quality)-11x7mm Size - 6" (Superior Quality)-12x8mm	400/- 460/-
BMT-19	Horse Shoe Magnet U shpae powerful Alnico alloy. size -2"	200/-
	size -3"	250/-
	size -4"	300/-
	size -6"	450/-
BMT-20	Self Inductance coil Biotech 3000 turns.	800/-
BMT-21	SELF & MUTUAL INDUCTANCE COIL. “Biotech”. 3000 turns in primary, taps of 1000, 2000 & 3000 in secondary	1450/-
BMT-22	SELF & MUTUAL INDUCTANCE COIL. “Biotech”. On wooden bobbin 25cms diameter, 500 turns	3900/-
BMT-22B	--do-- but one coil 500 turns and other coil with tappings at 100 250 and 500 turns 25 cms dia	2400/-
BMT-24	INDUCED CURRENT APPARATUS. “Biotech”. To study current induced as a function of velocity of falling magnet.	18000/-
BMT-25	Search coil Biotech
BMT-25A	Resisrtance 25 ohms ,turns 100 means dia 10 mm.	400/-
BMT-25B	Resistance 25 ohms,turns 10 dia 10mm.	400/-
BMT-25C	Resistance 25 ohms,turns 10 dia 5 mm.	400/-
BMT-26	Hystersis Curve apparatus Biotech.	18000/-
BMT-27	ANCHOR RING. “Biotech”. For magnetization & hysteresis measurements. Primary 220 turns, Secondary 25 turns	850/-
BMT-28	FLuximeter( Gause meter) Biotech complete with
BMT-28A	digital model 0-20 K-gauss.	14700/-
BMT-28B	Happ probe germaniu, crystal with spring type contacts	2700/-
BMT-29	HIBBERT’S MAGNETIC STANDARD. “Biotech”. For calibrating Ballistic Galvanometer	29000/-
BMT-29A	HIBBERT’S MAGNETIC BALANCE	12000/-
BMT-30	Tangent Galvanometer Bioteh bekalite ring with 3 windling 2,5,50 with extra superior quality (Osaw type)	1050/-
BMT-31	Stewart and Gee's apparatus made of seasoned wood toshow variation of magnetic field along with the axisof a coil ,one meter long bed with compass and two defferent tumnnings.	3750/-
BMT-31A	Do- All metal	4500/-
BP-497	GAUSS METER. DIGITAL. “Biotech”. Mains operated. With Indium Arsenide probe. Range 0 to 20Kgauss	17500/-
BP-470	ELECTROMAGNET. MODEL EM-20. “Biotech”. Field Strength 17000 gauss in 1 cm gap. With Power Supply	196000/-
BP-471	ELECTROMAGNET. MODEL EM-10. “Biotech”. Field Strength 10000 gauss in 1 cm gap. With Power Supply	110000/-
BP-472	ELECTROMAGNET. MODEL EM-5. “Biotech”. Field Strength upto 6,500 gauss in 1 cm gap. With Power supply	95000/-

Physics-Sound

Product Model	Product Name & Description	Price (Rs.)
BS- 401	Tunning fork Pye/ Ragg's set of 8 N.P.in velvet case Biotech	800/- set
BS- 401B	-do- Range english blue steel set of 8	950/-set
BS-402	Tunning forks set-Welch type set of 8	1200/-set
BS-402 B	TUNING FORK. SUPERIOR QUALITY. TESTED. Biotech. Aluminium, set of 8. Frequencies 256 to 512 Hz.	1600/-set
BS-403	Tunning fork-electrically maintained BIOTECH	3840/-
BS-404	Tunning fork-for meldies experiment.	1380/-
BS-405	Wooden Hammer, For T.F.	204/-
BS-405A	MELDE’S APPARATUS. Biotech With tuning fork, heavy base, coil, pan, pulley & chord.	4000/-
BS-405B	— do — INCO PATTERN. With extra heavy base	4500/-
BS-405C	Power Supply For Electromagnet Of Meldes Apparatus	2800/-
BS-406	Resonance apparatus- all metal Biotech brass pipe 1" dia	2150/-
BS-406A	— do — same as above but tube diameter is 1.5”.	3000/-
BS-407	Resonance Box wooden nicely Polished fitted with knobs for holding tunning fork.	1100/-
BS-408	solenold with soft iron	750/-
BS-409	Sonometer Biotech box type complete with wire.	1600/-
BS-409B	slotted weights, 5kgm set 1/2 kg set of 9 + 1	1700/- set
BS-409C	Hand electro magnet Biotech	1250/-
BS-409D	wire for sonometer	750 p/roll
BS-409E	Sonometer routine type	1044/-
BS-410	Goniometer- searl's type Biotech to measurement of focal length of an optical system by means of properties of nodal points.	14500/-
BS-411	Ticker timer Biotech with power supply.	1300/-
BS-412	KUNDT’S TUBE. Biotech”. Borosil glass tube with aluminium stop cock	2000/-
BS-412A	G. Clamp to clamp Kundt’s tube to the table (Two pieces required	400/-
BS-412B	Lycopodium Powder. For use with kundt’s tube (100gm packet.)	1400/pkt
BS 413	Vibrating bar Biotech	3600/-
BS-414	Electrical vibration(viberation megnatometer) Biotech for determining frequency of A.C. mains.	2050/-
BS-415	Falling plate apparatus all metal complete with two tuning fork Biotech.	3240/-
BS-416	Stroboscope Biotech for determine frequency of a vibration body fitted with revolution counter.	44400/-
BS-417	Ripple rank size 18X18" complete with wave generator reflector with bulb holder glass plate, wooden discs obstale of defferent shapes in card board box superior quality.	5000/-
BS-418	Rubber pad special for tunning fork.	40/-
BS-419	Hammer for tunning fork	115/-
BS -420	Rubber tubing: p/coil of 10 mts (6mm) special quality (6mm)	160/- 315/-
	p/coil of 10 mts (8mm) special quality (8mm)	270/- 500/-
	p/coil of 10 mts (10mm) special quality (10mm)	310/- 700/-
BS- 420A	Spiral Spring (Slinky) for Wave Motion App	600/-
BS - 421	Wave Motion Apparatus	3200/-

Physics-Electricity

Product Code	Product Name & Description	Price(Rs.)
BE-501A	LECLANCHE CELL. Complete with plastic vessel, porous pot & zinc rod but without chemical.	430/-
BE-501B	Electronic Substitute for Leclanche Cell.	1150/-
BE-502	DANIEL CELL.Biotech Complete with joint less copper vessel, porous pot & zinc rod but without chemical.	720/-
BE-502B	Electronic Substitute for Daniel Cell.	1150/-
BE- 503	ZINC ROD. “Biotech. Common quality 5 ½" long, 9mm in diameter. With brass terminal	120/-
BE-503A	— do — Superior Quality. 6" long, 10mm in diameter. With brass terminal	140/-
BE-504	Zinc plate with terminal superior 6" long & 15mm dia	70/-
BE-504A	Carbon rod with terminal Superior.	110/-
BE- 505	Copper turning pure 250gm	350/-
BE- 505A	Copper Plate with terminal Superior	110/-
BE- 506	Battery boxes for holding cells of 1.5 volts. Box for holding :
	2 cells	60/-
	4 cells	80/-
	6 cells	110/-
BE- 507	Dry Cell No. 6 G. Large Size with brass Terminal	1100/-
BE- 509	Acid Accumulator Battery 2 volts uncharged Capacity :
	2V 45 AH	1800/-
	2V 60 AH	2100/-
	2V 75 AH	2300/-
BE-509A	ACID ACCUMULATOR. MASS PLATE. “Biotech"
	Type Mass 20, 2 volts @ 20 A.H. on slow discharge	660/-
	Type Mass 45, 2 volts @ 45 A.H. on slow discharge	1050/-
BE- 512	Battery automatic Charging non maintenance ready for use. Capacity 6V	2400/-
BE- 513	Storage Batteries 6 V Uncharged Dry. (N.M.)	4250/-
BE- 514	Storage Batteries 12 V Non Maintenance "Exide" or any standard make. Capacity (A.H.)
	45	7950/-
	60	10150/-
	75	12360/-
	90	14700/-
BE- 515	STEP DOWN TRANSFORMER.Biotech Input 220V A.C. Output 2, 4, 6, 8, 10 & 12 volts A.C. @ 2 amps.	1600/-
	--do– Output 2, 4, 6, 8, 10 & 12 volts A.C. @ 3 amps	1800/-
BE- 516	Battery Charger, heavy duty. Fitted withammeter charger can two battery of 12 volts at different amperes.
	2 Amp	3000/-
	4 Amp	3200/-
	5 Amp	3300/-
	6 Amp	3740/-
BE-516A	BATTERY CHARGER. . Input 220V A.C. Output 2, 4, 6, 8, 10 & 12V D.C. @ 3A.	2650/-
	Input 220V A.C. Output 2, 4, 6, 8, 10 & 12V D.C. @ 5A.	3450/-
BE- 517	Battery Eliminator. DC Biotech. For - 2, 4, 6, 8, 10, & 12 volts DC at different amperes.
	500 mA	700/-
	1 Amp.	1400/-
	2 Amp.	1650/-
	3 Amp.	1900/-
	5 Amp	2650/-
BE-517A	IC REGULATED BATTERY ELIMINATOR. “Biotech”. Highly stable output. Input 220V A.C.
	Type A : Output 2, 4, 6, 8, 10 & 12V D.C. @ 2 Amp	2900/-
	Type B : Output 2, 4, 6, 8, 10 & 12V D.C. @ 3 Amp	3500/-
BP-673	ELECTRONIC SUBSTITUTE FOR STANDARD CADMIUM CELL. Mains operated. Output 1.018V	1150/-
BP-674	POROUS POT.For Leclanche Cell. Superior quality, with brass screw & terminal	175/-
BP-674A	POROUS POT. For Daniel Cell	35/-

Biotechs-Meter-Bridges-Potentiometers

Product Code	Product Name & Description	Price (Rs.)
BE - 600	Ohm's Low App. with Am meter. voltmeter, Rheostate of unknown Resistance	2700/-
BE - 601	METER BRIDGE. 2 Gaps Type Or 4 Gaps Type. One meter long, with pencil jockey
BE - 601A	Wooden Frame, Sunmica Top. Regular Quality	1200/-
BE - 601B	Teak Wood Base, duly polished. Extra Heavy brass strips. Superior Quality.	2100/-
BE -602	Potentiometer 4 wires Biotech. Sunmica sheet fitted underneath the wires	1300/-
BE -603	POTENTIOMETER. 10 WIRES. One meter long. Wire stretched over pullies. With Pencil Jockey	1850/-
BE-603A	Teak Wood Base, duly polished. Extra Heavy Brass Strips. Superior Quality	2900/-
BE -604	Students Potentiometer Dial pattern cromption type 10 coils Biotech.	4250/-
BE -605	Students Potentiometer Dial Pattern crompton type 22 coils. Instead of 10 coils Biotech	5500/-
BE -606	Potentiometer Crompton type Biotech direct reading range 0.001V to 1.75 V	8300/-

Biotechs Post Office Boxes Resistance Boxes

Product Code	Product Name & Description	Price(Rs.)
BE - 607	Post Office Box. Plug Type Precision quality Biotech 3 ratio coils manganin coils 0.05% and 1 to 5000 ohms.	5050/-
BE - 607A	-do- but 4 ratio 1 : 10 : 100 and 1000 manganin coils.	5550/-
BE -608	POST OFFICE BOX. Biotech ½” Brass blocks	Constantan Coil	Manganin Coil
	Plug Type. 4 Ratio Coils (1:10:100:1000). Series arm 1 to 5000 ohms	4600/-	5000/-
	Plug Type. 3 ratio coils (10:100:1000). Series arm 1 to 5000 ohms	4400/-	4800/-
	Dial Type. 6 dials	6700/-	7200/-
BE -610	Post Office Box standard quality constant coil Biotech constant coils. Accuracy of ratio coils 0.1 and resistance arms .2%	4500/-
BE -611	Post office Box deluxe quality Manganin Biotech manganin coils. Accuracy of ratio 0.05% and of resistance arms 0.1	5350/-
BE -612	Platinum Resistance thermometer. Biotech in case	5800/-
BE -613	PLUG TYPE RESISTANCE BOX. Biotech. ½” Brass blocks	Constantan Coil	Manganin Coil
	Range in ohms-0.01 to 0.5 ohm- Total Resistance-1.1ohm	-	3200/-
	Range in ohms-0.1 to 0.5 ohm- Total Resistance-1.0 ohm	1600/-	1700/-
	Range in ohms-0.1 to 1 ohm- Total Resistance-2.0 ohm	1600/-	1700/-
	Range in ohms-0.1 to 5 ohm- Total Resistance-11.0 ohm	1800/-	1910/-
	Range in ohms-0.1 to 10 ohm- Total Resistance-21.0 ohm	1900/-	2020/-
	Range in ohms-0.1 to 20 ohm- Total Resistance-41.0 ohm	1950/-	2185/-
	Range in ohms-0.1 to 50 ohm- Total Resistance-111.0 ohm	2150/-	2380/-
	Range in ohms-0.1 to 100 ohm- Total Resistance-211.0 ohm	2350/-	2550/-
	Range in ohms-0.1 to 500 ohm- Total Resistance-1111.0 ohm	2850/-	3100/-
	Range in ohms-1.0 to 10 ohm- Total Resistance-20.0 ohm	1600/-	1700/-
	Range in ohms-1.0 to 20 ohm- Total Resistance-40.0 ohm	1640/-	1750/-
	Range in ohms-1.0 to 50 ohm- Total Resistance-110.0 ohm	1800/-	1910/-
	Range in ohms-1.0 to 100 ohm- Total Resistance-210.0 ohm	1900/-	2020/-
	Range in ohms-1.0 to 200 ohm- Total Resistance-410.0 ohm	1950/-	2185/-
	Range in ohms-1.0 to 500 ohm- Total Resistance-1110.0 ohm	2150/-	2380/-
	Range in ohms-1.0 to 1000 ohm- Total Resistance-2110.0 ohm	2350/-	2550/-
	Range in ohms-1.0 to 5000 ohm- Total Resistance-11110.0 ohm	2850/-	3100/-
	Range in ohms-1.0 to 10000 ohm- Total Resistance-21110.0 ohm	3100/-	3320/-

Biotech Resistance Coils

Product Code	Product Name & Description	Price(Rs.)
BE - 614	Resistance coils. Biotech Routine Type	50/-
BE -615	Resistance Coils. with short circulating plug-Biotech
	Resistance(ohms)- 0.1	160/-
	Resistance(ohms)- 0.2	160/-
	Resistance(ohms)- 0.5	160/-
	Resistance(ohms)- 1.50	160/-
BE -616	Resistance Coils Manganin Wire Biotech in rectangular or range 0.1 to 200 ohms	210/-
BE -616A	-do- in circular Transparent Box	170/-
BE -617	Resista 0-0125 200 ohms - nce Coils. Manganin wire. Biotech enclosed in perforated case Range 1100 each	1375/-
BP-594	STANDARD RESISTANCE COIL. MANGANIN COIL. Biotech . Enclosed in metal container with moisture free oil. Resistance range : Choose any one value between 0.001 ohm to 200 ohm.	1900/-
BP-595	RESISTANCE COIL. Biotech. Carbon Resistance. Enclosed in round bakelite container. Ordinary Quality. Resistance range : Choose any one value between 0.1 ohm to 100 ohm	40/-
BP-596	RESISTANCE COIL 2 TERMINAL TYPE. Biotech Manganin Coil. Enclosed in bakelite container with 2 terminals. Resistance range : Choose any one value between 0.01 ohm to 200 ohm	220/-
BP-597	RESISTANCE COIL 4 TERMINAL TYPE.. Biotech . Mangnin Coil. Enclosed in bakelite container with 4 terminals (2P & 2C). Resistance range : Choose any one value between 0.01 ohm to 200 ohm	280/-

Biotech Resistance Box Dial Type

Product Code	Product Name & Description	Price(Rs.)
BE -618	DIAL PATTERN RESISTANCE BOX. Biotech	Total Resistance	Constantan Coil	Manganin Coil
	Single Dial. (a) x 0.1 ohm (b) x 1.0 ohm (c) x 10 ohm (d) x 100 ohm (e) x 1000 ohm	1 ohm 10 ohm 100 ohm 1000 ohm 10000 ohm	900/- 900/- 900/- 900/- 900/-	1050/- 1050/- 1050/- 1050/- 1050/-
	Two Dials. (f) x 0.1 & x 1.0 ohm (g) x 1.0 & x 10 ohm (h) x 10 & x 100 ohm (i) x 100 & x 1000 ohm	11 ohm 111 ohm 1100 ohm 11000 ohm	1800/- 1800/- 1800/- 1800/-	2000/- 2000/- 2000/- 2000/-
	Three Dials. (j) x 0.1, x 1.0 & x 10 ohm (k) x 1.0, x 10 & x 100 ohm	111 ohm 1110 ohm	2700/- 2700/-	2900/- 2900/-
	Four Dials. (l) x 0.1, x 1.0, x 10 & x 100 ohm (m) x 1.0, x 10, x 100 & x 1000 ohm	1111 ohm 11110 ohm	3600/- 3600/-	3900/- 3900/-
	Five Dials. (n) x 0.1, x 1.0, x 10, x 100 & x 1000 ohm (o) x 1.0, x 10, x 100, x 1000 & x 10000 ohm	11111 ohm 111110 ohm	4500/- 4950/-	4800/- 5450/-

Biotech Condensers

Product Code	Product Name & Description	Price (Rs.)
BE -619	Condensers. Biotech. Comparising high quality condensers fitted in wooden/bakelite boxes. fitted with ebonite top. working voltage varies 0.5 mfd to 10 specify range	375/-

Biotech Decade Condensers

Product Code	Product Name & Description	Price (Rs.)
BE -620	Biotech decade condensers these are manufactured in one or more dials. Each consisting of 10 sections.
	Single Dial	1200/-
	Two Dial	2400/-
	Three Dial	3700/-
	Four Dial	4900/-
BE -621	Variable self inductor Biotech	2580/-
BE -622	-do- seld and Mutual inductor	3140/-
BE -623	Fixed inductor Biotech Air cored
	100 mH or 200 mH or 500 mH (any one value	350/-
	1 mH or 2 mH or 5 mH or 10 mH or 20 mH or 50 mH (any one value	510/-
	100 mH or 200 mH or 500 mH or 1 H or 2 H or 5 H or 10 H (any one value	900/-
BE -624	Decade Inductors 1 Dial	1600/-
	2 Dial	3100/-
	3 Dial	4600/-
	4 Dial	5850/-
	5 Dial	8000/-
BP-624	FIXED CONDENSER. Biotech. Comprising high quality paper condensers fitted in teak wood box with ebonite top
	Capacity : 0.001 or 0.002 or 0.005 or 0.01 or 0.02 or 0.05 or 0.1 or 0.2 fd (any one value).	250/-
	Capacity : 0.5 fd or 1 fd or 2 fd (any one value).	250/-
	Capacity : 5fd or 10fd.	370/-

Biotech Megohms Bridges

Product Code	Product Name & Description	Price (Rs.)
BE -625	Megohm Box Biotech with Indendent terminals Menganin Coils	3300/-
BE -625A	-do- but constant coils college grade	2900/-
BE -626	Megohm Plug Type Biotech manganin coils	3300/-
BE -626A	-do- but constant coil college grade	2950/-
BE -627	Megohm Dial Type. Biotech Manganin coils	3250/-
BE -628	Megohm dial Type Biotech Constant Coils	2870/-
BE -629	Induction coil for use with K.C. bridge Biotech	875/-
BE -630	Head Phone for use with K.C. bridge Biotech	800/-
BE -631	Hamburger Cell for use with K.C. Bridge Biotech	1850/-

Galvanometers Lamp Scale Apparatus

Product Code	Product Name & Description	Price (Rs.)
BE -632	Tangent Galvnometer, Biotech, complete with compass box	1725/-
BE -633	Helmholtz's Galvnometer, Biotech complete with compass box	5500/-
BE -634	Three push Button type Galvnometer Biotech	1500/-
BE -635	De' Arsonal Galvnometer. Biotech	4000/-
BE -636	BALLISTIC GALVANOMETER. Biotech . Kay Cee Type. Resistance 10 ohm or 100 ohm or 500 ohm (any one).	4650/-
BE -636A	— do – OSAW TYPE. Resistance 10 ohmor 100 ohm or 500 ohm (any one).	4850/-
BE -636B	-do- Resistance 500 ohms. Osawa type	5000/-
BE -637	MIRROR GALVANOMETER. DEAD BEAT TYPE. Biotech. Resistance 10 ohm or 100 ohm or 500 ohm (any one)	4850/-
BE -638	LAMP & SCALE ARRANGEMENT. Biotech. For use on 220V A.C. Fitted with transformer	5100/-
BE -639	SPOT REFLECTING GALVANOMETER. Biotech. Coil Resistance 125 ohm. Sensitivity 4-5 A for F.S.D.	6500/-
BE-639A	Coil Resistance 625 ohm. Sensitivity 1 A for F.S.D.	6700/-
BE -640	Tangent Galvnometer. Biotech. For studying variation of magnetic field at centre of coils when radium remains constant and turns vary. The number of turns are 20,40,60, 80,150 and 200.	3300/-
BP-700	STEWART & GEES TANGENT GALVANOMETER. Biotech. All metal. With compass box.	5100/-
BP-711	POINTER GALVANOMETER. Biotech. 30-0-30, sensitivity 20A/div. With bakelite stand. EDM80 Type.	350/-
BP-711A	– do – but sensitivity 2A/div., with bakelite stand	430/-

Biotech D.C. Moving Coil Type Electrical Meters

Product Code	Product Name & Description	Price(Rs.)
BP-712	D.C. VOLTMETER. Biotech. With stand. Ranges : 0 - 1, 3, 5, 10, 15, 25, 50, 100, 250 or 300 V.	350/-
BP-713	D.C. MILLIVOLTMETER. Biotech. With stand. Ranges : 0 - 50, 100, 250 or 500 mV.	350/-
BP-714	D.C. AMMETER. Biotech. With stand. Ranges : 0 - 1, 1.5, 2, 3, 5 or 10 A.	350/-
BP-715	D.C. MILLIAMMETER. Biotech. With stand. Ranges : 0 - 1, 5, 10, 25, 50, 100, 250 or 500 mA.	350/-
BP-716	D.C. MICROAMMETER. Biotech. With stand. Ranges : 0 - 25, 50, 100, 250 or 500 A.	430/-
BP-718	A.C. VOLTMETER. “Biotech”. With stand. Ranges : 0 - 1, 3, 5, 10, 25, 100, 150 or 250 V.	430/-
BP-719	A.C. AMMETER. “Biotech”. With stand. Ranges : 0 - 1.5, 2, 3, 5 or 10 A.	430/-
BP-720	A.C. MILLIAMMETER. Biotech. With stand. Ranges : 0 - 25, 50, 100, 250 or 500 mA.	430/-
BP-721	PORTABLE METERS. “PBiotech”. ABS Plastic body
	Moving Iron Type AC/DC Voltmeter Or Ammeter Or Milliammeter. Single Range.	1500/-
	Moving Coil Type DC Voltmeter Or Ammeter Or Milliammeter Or Millivoltmeter. Single Range.	1600/-
	Wattmeter. Single Phase. Single element. Dynamometer type. P. F. 1.0	3450/-
	Low P. F. Wattmeter. Single Phase. Single element. Dynamometer type. P. F. 0.5	5500/-
BP-722	DIGITAL PANEL METER. “Biotech”. 3½ digit LED display. Resolution 1 in 1999 count. Mains operated.
	D.C. Volts : ±199.9mV or ±1.999V or ±19.99V or ±199.9V or ±1000V (any 1 range).	1600/-
	A.C. Volts : 199.9mV or 1.999V or 19.99V or 199.9V or 750V (any 1 range).	1600/-
	D.C. Amps : ±199.9 A or ±1.999mA or ±19.99mA or ±199.9mA or ±1.999A or ±19.99A (any 1 range)	1600/-
	A.C. Amps : 199.9 A or 1.999mA or 19.99mA or 199.9mA or 1.999A or 19.99A (any 1 range).	1600/-
BE -653	Meter stand Bakelite with Insulated terminals	College Grade -60/- Deluxe Quality -80/-
BE -654	Universal Shunt, Dial pattern, Biotech Improved	1500/-
BE -655	Volt ratio Box, dia pattern shunt power 1 to 750 V, Biotech Total resistance 37500 ohms	2700/-
BE -657	Potenial Divides dial pattern
BE -657A	10 coil of 20 ohms total resistance 200 ohms	1100/-
BE -657B	15 coil of 20 ohms total resistance 300 ohms	1350/-
BE -657C	15 coil of 20 ohms total resistance 2000 ohms	1750/-

Low Resistance Measuring Bridges

Product Code	Product Name & Description	Price (Rs.)
BE -658	KELVIN BRIDGE & POTENTIOMETER. “Biotech”. With double ratio box.	9200/-
BE-658A	PRECISION KELVIN DOUBLE BRIDGE. “Biotech”. Range 10 ohm to 1 ohm	18500/-
	Conductivity attachment for above.	9000/-
	Power supply and Spot Reflecting Galvanometer for Kelvin double bridge.	16500/-
BE -659	MAXWELL BRIDGE. “Biotech”. Made using Metal Film Resistance. With builtin oscillator. Supplied with headphones.	7400/-
BE -661	CALLENDER & GRIFFITH BRIDGE. “Biotech”. Dial type. Price without battery, galvanometer, PRT etc.	5750/-
BE -662	ANDERSON BRIDGE. “Biotech”. Made using Metal Film Resistance. With builtin oscillator. Supplied with headphones	7400/-
BE -663	CAREY FOSTER BRIDGE. “Biotech”. Price without battery, galvanometer, unknown resistance etc.	7600/-
BE -664	DESAUTY BRIDGE. “Biotech”. Made using Metal Film Resistance. With builtin oscillator. Supplied with headphones.	7400/-
BE -665	RAYLEIGH BRIDGE. “Biotech” Price without oscillator, head phone, unknown inductor etc.	8050/-
BE -666	WEIN BRIDGE. “Biotech”. Made using Metal Film Resistance. With builtin oscillator. Supplied with headphones.	7400/-
BE -667	SCHERING BRIDGE. “Biotech”. Made using Metal Film Resistance. With builtin oscillator. Supplied with headphones	7400/-
BE -668	Kohlroush conductivity bridge Biotech	6500/-
	Induction Coil. For use with K.C. bridge.	3000/-
	Headphone. High Resistance. Complete with chord.	800/-
BE -669	EN’S BRIDGE. “Biotechh”. Made using Metal Film Resistance. With builtin Oscillator. Supplied with headphones	7400/-
BE-670	PORTABLE WHEATSTONE BRIDGE. “Biotech”. Made using Metal Film Resistance. With built-in battery & Galvanometer	6000/-

Biotech Voltage Changers

Product Code	Product Name & Description	Price (Rs.)
BE -668	Laboratory transformer biotech
BE -668A	Input 220 volts AC output 6/12 volts AC 2 amperes	600/-
BE -668B	Input 220 volts AC output 24 volts AC 2 amperes	600/-
BE -669	Demonstration Transformer Biotech	1140/-
BE -670	Induction Coils. Biotech working on 6/12 volts battery
	Length(mms) - 5	1100/- Each
	Length(mms) - 10	1400/- Each
	Length(mms) -25	3000/- Each
	Length(mms) -50	7000/- Each
	Length(mms) -75	5200/- Each
	Length(mms) -100	5800/- Each

Voltage Changers Variacs

Product Code	Product Name & Description	Price (Rs.)
BE -671	Variacs(dimmerstate) output 0-270 volts for an input voltage of 240 volt AC
	Cap - 2 Amp	2550/-
	Cap -4 Amp	4400/-
	Cap -8 Amp	6200/-
	Cap -10 Amp	6900/-
	Cap -15 Amp	10500/-
BE -672	Constant Volts Transformer (CVT) input 180 V to 260 V output 220 V
	Cap -150	5625/-
	Cap -250	7250/-
	Cap -500	10000/-
	Cap -1000	20500/-
	Cap -2000	37500/-
	Cap -3000	52000/-
BE -672A	Servo stabalizers Biotech
	Cap -1KVA	16250/-
	Cap -2 KVA	20000/-
	Cap -3KVA	24375/-
	Cap -4KVA	28750/-
	Cap -5KVA	35625/-
BE-673	Voltage stabalizer Biotech
	Cap -1KVA	3125/-
	Cap -2 KVA	5188/-
	Cap -3KVA	7200/-
	Cap -4KVA	7500/-
	Cap -5KVA	8500/-

Spectrum Tubes

Product Code	Product Name & Description	Price(Rs.)
BE -674	Spectrum tubes.(gas discharge tubes) Biotech with high intensity. Helium, Neon, Argon, Mercury, Chlorine, Hydrogen, Oxygen, Carbondioxide, Nitrogen, Sulpher, Water vapour or iodine any one.	600/-
BE -675	High voltage transformer. Biotech 4 KVA with wire & plug-10" long discharge tube	5500/-

Biotech Rheostats

Product Code	Product Name & Description	Price (Rs.)
BE -676	Rheostats : Biotech 4.3 cms. dia tube wound with heavily oxidised eureka wire and mounted
	Tube length - 15cms.	740/-
	Tube length - 20cms.	800/-
	Tube length - 25cms.	1070/-
	Tube length - 30cms.	1320/-
	Tube length - 35cms.	1540/-
	Tube length -40 cms.	1780/-
	Tube length - 45 cms.	1980/-
	Tube length - 50 cms.	2180/-
BE -677	Rheostats : 5-6 cms. dia tube wound with heavily oxidised eureka wire and mounted.
	Tube length - 15cms.	840/-
	Tube length - 20cms.	1100/-
	Tube length - 25cms.	1375/-
	Tube length - 30cms.	1675/-
	Tube length - 35cms.	1950/-
	Tube length -40 cms.	2160/-
	Tube length - 45 cms.	2500/-
	Tube length - 50 cms.	2800/-
BE -678	Plug keys. Biotech bakelite base 1 way	Regular Quality -130/- Inco Type -175/-
	2 way	Regular Quality -210/- Inco Type -240/-
	3 way	Regular Quality -250/- Inco Type -290/-
	4 way	Regular Quality -350/- Inco Type -460/-
	6 way	Regular Quality-600/- Inco Type-850/-
BE-678A	Jockey	65/-
BE -679	Reversing keys Biotech Rocking type Four plug type Phol's type	350/- 350/- 350/-
BE -680	Charge & discharge key biotech	600/-
BE -681	Tapping key or single contact key Biotech	90/-
BE -682	Tapping key Biotech (Two Contact Key)	130/-
BE -683	Rayleligh's key Biotech	2000/-
BE -684	Carrey foster key Biotech	2600/-
BE -690	Morse key and sounder combined on board Biotech	800/-
BE -691	Commutator plug key 4 way round brass superior	350/-
BE -692	Terminals
	Size -3/8"	25/-
	Size -1/2"	30/-
	Size -3/4"	35/-
BE - 692A	(i) DCC (insulated) wire for connections copper	2000/- p/kgm
	(ii) DCC (insulated) wire for connections copper	1100/- p/500 gm
BE -693	Copper wire-enemelled	420/- p/100g
BE -694	Eureka or constant/wire	165/- p/100g
BE -695	Nichome wire (nickel crome)	165/- P/100 gm
	(ii) Manganin wire	400/- P/100 gm
BE -696	(i) Soldering Gun superior quality	480/-
	(ii)-do- routine type	240/-
BE -697	Wire - (i) Brass wire	200/- p/100 gm
	(ii) Steel wire	110/- p/100 gm
BE -698	SOLDERING IRON. Works on 220 volts A.C.
	15 watt 25 watt 35 watt 65 watt	250/- 300/- 380/- 450/-
	SOLDER. 40/60 single core. (Packet of 50 gms).	270/pkt
BE -699	Battery clips, crocodile 18" - Small	16/-
	Large	52/-
BE -700	Copper voltameter Biotech ebonite top. 3 plate type	700/-
BE -701	Water voltameter Hoffman's type Biotech	450/-
BP-812	BANANA SOCKET. 4mm size	14/-
	Banana Terminal. Non-stackable	16/-
	Banana Terminal. Stackable (For multiple connections)	24/-

Analog Digital Multimeters

Product Code	Product Name & Description	Price (Rs.)
BML -1	DIGITAL MULTIMETER. Imported. MASTECH Make. With Resistance, AC & DC Voltage and DC Current Measurement facility. Model M830L.3 / digit LCD display, over range indication, hf , diode & continuity test.	1400/-
	D.C./V : 200mV, 2V, 20V, 200V, 1000V. A.C./V : 200mV, 2V, 20V, 200V, 700V. D.C./A : 200uA, 2000uA, 20mA, 200mA, 10A. Resistance : 200ohm, 2Kohm, 20Kohm, 200Kohm, 2Mohm, 20Mohm.
BML-2	With Resistance, AC & DC Voltage and AC & DC Current Measurement facility. Model M3900.3 / digit LCD display, Over range indication. hf , diode & continuity test.	2500/-
	D.C./V : 200mV, 2000mV, 20V, 200V, 1000V. A.C./V : 200V, 750V. D.C./A : 200UA, 2mA, 20mA, 200mA, 2A, 10A. A.C./A : 200UA, 20mA, 10A. Resistance : 200ohm, 2000ohm, 20Kohm, 200Kohm, 2000Kohm.
BML-3	With Resistance, AC & DC Voltage, AC & DC Current, Capacitance, Temperature & Frequency Measurement facility. Model M8264. 3 / digit LCD display, Over range indication. hf , diode & continuity test. All measuring ranges same as (b) & with capacitance measurement from 2nfd to 20μf & temperature measurement from -20°C to 200°C & frequency measurement upto 20KHz	4800/-
BML-4	With Resistance, AC & DC Volta, AC & DC Current, Capacitance, Inductance, Temperature & Frequency Measurement facility. 3 / digit LCD display. Over range indication. hf , diode, continuity & logic test.	6000/-
	Inductance : 2mH, 20mH, 200mH, 2H, 20H. Capacitance : 2nfd, 20nfd, 200nfd, 2ufd, 200ufd. Resistance : 200ohm, 2Kohm, 20Kohm, 200Kohm, 2Mohm, 20Mohm. Frequency : Up to 2000KHz (Auto ranging). D.C./V : 200mV, 2V, 20V, 200V, 1000V. A.C./V : 200mV, 2V, 20V, 200V, 750V. DC/A & AC/A : 20mA, 200mA, 10A. Temperature : -20°C to 200°C.

Biotech Electronic Instruments EM Apparatus

Product Code	Product Name & Description	Price (Rs.)
EEL -101	'E/M' apparatus bar magnet method. Biotech complete with power supply cathode ray tube and magentometer & a pair of bar magnet	28500/-
EEl -102	'E/M' apparatus magnetic focussing method. Biotech complete with CRT, power supply focussing coil etc.	37000/-
EEL -103	'E/M' apparatus magnetron valve method, Biotech consisting of HT & LT power supply for magnetron valve fitted with voltmeter and milli ammeter to read anode voltage and current. A sulenoid with its power supply and magnetron valve	11000/-
EEL -104	'E/M' apparatus. Helical method . Biotech with power supply cathode ray tube and solenoid	32000/-
EEL -105	Diode valve characteristics apparatus Biotech
	Complete with HT & LT Power supply 2 meters	2500/-
	Complete wit regulated power supply 0-300 VDC @30 MA-2 meters	4100/-
EEL-106	Triode valve characteristics apparatus Biotech
	Complete with HT & LT grid supply 3 meters and triode valve 6 J 5	4500/-
	Complete with HT (0-300 @ 50 MA) LT & grid 0-30v supply with 2 analog meters & velve 6 J 5 on bread board	3300/-
	Complete with HT (0-300 @ 100 MA) LT & grid 0-100v supply with 2 analog meters & valve 6 J 5 on bread board	3750/-
EEL-106A	Pentode valve characteristics apparatus Biotech with 3 meters	3750/-
	-do- with 4 meters	6500/-
	Tetrode valve characteristics apparatus Biotech with 3 meters	3150/-
	-do- with 4 meters	4200/-
	TETRODE VALVE CHARACTERISTIC APPARATUS. “Biotech”. Complete with power supply with 4 analog meters	6500/-
EEL -107	Transistor characteristics apparatus Biotech complete with 3 meters	4350/-
	(ii) -do- with 4 meters	4200/-
	To observe characteristcis for both PNP & NPN transistors complete with power supplies	5000/-
EEL -108A	a) P-N Junction diode characteristics apparatus Biotech complete with 2 meters	3000/-
	(ii) -do- with 4 meters	4500/-
EEL -108B	(b) Zener diode characteristics apparatus. Biotech complete with 2 meters	3000/-
	(ii) -do- with 4 meters.	4500/-
	ZENER DIODE AS VOLTAGE REGULATOR. “Biotech”. Complete with power supply with 2 analog meters	3700/-
EEL -108C	P-N Junction diode & zener diode characteristics apparatus. Biotech combined on one board complete with power supply & 2 meters.	3400/-
EEL -109	Diode as half/full wave rectifier. valve type. Biotech complete with power supply. with 2 meters.	3700/-
	-do- but semi conductor diode type	2350/-
EEL -110	Photo Electric relay Biotech	2350/-
EEL -110B	Light source for photo electric relay	700/-
EEL -111	Tesla coil. Biotech operating on 220 V AC mains with separete H.T & L.T switches, detecton	3000/-
EEL -112	MILLIKAN’S OIL DROP APPARATUS. “Biotech”. With telescope, light source, atomiser & Power Supply.	18000/-
EP-120	TUNNEL DIODE CHARACTERISTIC APPARATUS. “Biotech”. Complete with power supply with 2 analog meters.	12000/-

Biotech's Working Models

Product Code	Product Name & Description	Price (Rs.)
BW -1	Automatic light in evening	2220/-
BW -2	Recycling of impure water	1530/-
BW -3	Automatically flood controal	2160/-
BW -4	Solar cell	840/-
BW -5	Automatic car parking alarm	3840/-
BW -6	Make a thief catcher	3540/-
BW -7	Van de graff electricity generator	1800/-
BW -8	Electric railway signal	2160/-
BW -9	Wind mill working model	900/-
BW -10	Water hydro turbine	1140/-
BW -11	Petrol engine 2 stoke	2650/-
BW -12	Bio gas plant	780/-
BW -13	Automatic rain alarm model	1440/-
BW -14	Automatic fire alarm	720/-
BW -15	Rader working model	1080/-

Physics Balance Weights

Product Code	Product Name & Description	Price (Rs.)
BBW -1	Personal weighing machine to read directly in kilograms capacity 120 kg/ 150 kg.	1050/-
BBW -2	Berranger balance (table balance) one side pan & other side flat (price without weights).
	Cap - 2 kg	1250/-
	Cap - 5 kg	1450/-
	Weight set 1g to 1kg	390/- p/set
BBW -3	Single pan balance electrical capacity 200gms. accuracy 0.01 gms	29000/-
BBW -4	Physical Balance, 'Varanasi' capacity 200 gms. sensitivity 1 mgm.	6500/-
BBW -5	Chemical Balance, 'Varanasi' capacity 200 gms. sensitivity 1/5 mgm.	6800/-
BBW -6	Analytical Balance, 'Varanasi' capacity 200 gms. sensitivity 1/10 mgm	7100/-
BBW -7	Biotech single pan Balance -- 200g	11000/-
BBW -8A	Electronic Balance (digital balance) (a) Capacity 300 gms. accuracy 0.01 gms (201 mgm). LED display.	10500/-
BBW -8B	Capacity 500 gms. accuracy 0.02 gms. (20 mgm). LED display	23125/-
BBW -8C	Capacity 150 gms. accuracy 0.05 gms. (0.5 mgm). LED display	100000/-
BBW-8D	ELECTRONIC BALANCE (DIGITAL). Chinese. Capacity 300gms, accuracy 0.01gms (10mgm). (No Warranty	2500/-
BBW-8E	Capacity 2000gms, accuracy 0.1gms (100mgm). (No Warranty).	1500/-
	ELECTRONIC BALANCE (DIGITAL). Chinese. Capacity 300gms, accuracy 0.01gms (10mgm). (No Warranty	2500/-
	Capacity 2000gms, accuracy 0.1gms (100mgm). (No Warranty).	1500/-
BBW -9	Weight box, symtronic/Biotech weight are brass chromium plated. 1 mgs to 50 gm Physical Analytical	510/- 650/-
	1 mgm to 100 gm Physical Analytical	1100/- 1300/-
	1 mgm to 200 gm Physical Analytical	1600/- 1800/-
BBW -10	Loose Gram Weights. "Symtronics/ Biotech " Brass C.P.
	Weights - 1 gm Physical Analytical	11/- 14/-
	Weights -2 gm Physical Analytical	14/- 18/-
	Weights -5 gm Physical Analytical	26/- 28/-
	Weights -10 gm Physical Analytical	30/- 36/-
	Weights -20 gm Physical Analytical	38/- 48/-
	Weights -50 gm Physical Analytical	88/- 120/-
	Weights -100 gm Physical Analytical	150/- 200/-
	Weights -200 gm Physical Analytical	300/- 400/-
BBW -11	Fractional weights, symtronics/ Biotech analytical 1 mgm to 500 mgm with rider	70/- Set
BBW -12	Spring Balance
	Weights -100 gm	60/-
	Weights -250 g	70/-
	Weights -500 g	80/-
	Weights -1 Kg	100/-
	Weights -2 Kg	150/-
	Weights -5 Kg	250/-
	Weights -10 Kg	300/-
	Weights -25 Kg	350/-
	Weights -50 Kg	400/-
BBW -13	Despencing Balance - Brass beam	1400/-
BWW -14	Triple beam balance
	111 gram	2700/-
	310 gram	3100/-

Physics LABORATORY FITTINGS GENERAL APPARATUS

Product Code	Product Name & Description	Price (Rs.)
BBW -15	Water tap swan neck, Sytronics / Biotech gunmetal 3/8" bore, wtih swan neck bend, Chromium plated.
	No. of Taps -1 ways	1600/-
	No. of Taps -2 ways	2200/-
	No. of Taps -3 ways	2400/-
BBW -16	Water tap "Symtronics / Biotech" Gunmetal
	No. of taps - 1 ways	1400/-	Gas Tap -1100/-
	No. of taps - 2 ways	2160/-	Gas Tap -1600/-
	No. of taps - 3 ways	2400/-	Gas Tap -1800/-
	No. of taps - 4 ways	2800/-	Gas Tap -2200/-
BBW -17	Bunsen burner. "Symtronics / Biotech" superior quality with brass pipe and with air regulator without stop cock	300/-
BBW -18	Bunsen burner. "Symtronics/ Biotech" superior quality with brass pipe and with air regulator with stop cock	350/-
BBW -19	Mecker high temprature burner "Symtronics/Biotech" Brass C.P. pipe	900/-
BBW -20	Retrod stand "Symtronics /Biotech" cost iron base.
	Size of rod base - 18x4x6"	180/-
	Size of rod base - 24x5x7"	240/-
	Size of rod base - 24x8x5"	500/-
BBW -21	(i) Universal clamp,"Symtronics / Biotech" moulded type. with boss head. small size. Opening 2.5 approxmately	125/-
	(ii) Big size opening 3.5" approxmately	170/-
BBW -22	Tool chest, "Symtronics/ Biotech" in tool box with mini handsaw, hammer, chisel, gimlet pliers, plane oil stone pincer rasp. two files baby 50mm rule driver universal wrench 2 screw drivers.	3900/-
BBW -22B	-do- same as above but with spanner set (no. 6 to 22) & screw drivers.	5300/-
BBW -23	Tool kit imported - 100 pices kit all type of general work.	4850/-
BBW -24	Tool kit special quality with electrical operated drill. Machine & other instrumets	9360/-
BBW -25	Sprit level. "Symtronics / Biotech" round type, brass body. Size - 2"	220/-
	3"	220/-
	4"	360/-
BBW -26	Drilling machine, chinese, electric	2000/-
BBW -26B	-do - Superior quality (engineering)	8500/-
BBW -27	Pench Clip. "Symtronics /Biotech"	30/-
BBW -28	Screw clip. "Symtronics/ Biotech" Brass C.P. 1 size	70/-
BBW -29	Cork borer set of 6-brass C.P.	140/-

Physics Optical Research Instruments

Product Code	Product Name & Description	Price (Rs.)
BR -1	Michelson intererometer. "Symtronics / Biotech" with two matched plane parallel plates & optically true mirrors.	39000/-
BR -1B	Telescope (with achromatic lens) for observation of fringers	3000/-
BR -1C	Attachment to convert michelson Interferometer into febry perot interferometer (optical accessory)	28000/-
BR -2	Michelson Intererometer - laser based	52000/-
BR -3	Febry perot interferometer. "Symtronics / Biotech"	39000/-
	Telescope (with achromatic lens) for observation of fringes	3000/-
	Attachments to convert febry perot interferometer into micheison interferometer (optional Accessory).	17500/-
BR -3A	Jamins Interferometer. "Symtronics/ Biotech" for measurment of refractive index of gasses & liquids.	88350/-
BR -3B	Telescope (with achronatic lens) for observation of fringes.	3320/-
BR -3C	Plane parallel optical glass cell with mechanical mount for measurement of RI of liquids.	18500/-
BR -3D	Pair of gas cells with plane parallel windows with mechanical mount for measurement of RI	25200/-
BR -3E	Manometer with high cacuum stop cock	4500/-
BR -3F	Mini vaccum pump.	13800/-
BR -4	Rayleigh interferometer. "Symtronics/ Biotech"	88350/-
BR -4B	Plane parallel optical glass cell with mechanical mount for measurement of RI of liquids.	18500/-
BR -4C	Pair of gas cells with plane parallel window with mechanical mount for measurement of RI gasses.	13800/-
BR -4D	Manometer with high vacuum stop- cock.	4500/-
BR -4E	Mini vacuum pump	13800/-
BR -5	Febry perot atalon. "Symtrinics /Biotech" the mirros are about 30 mm in diameter, clear aperture 25 mm.	10400/-
BR -6	Edser butker plate. "Symtrinics /Biotech" the mirros are about 30 mm in diameter, clear aperture 25 mm.	20000/-
BR -7	Constant deviation spectrograph. (CDS) "Symtronics/Biotech" without prism.	38000/-
BR -7B	Constant deviation spectrograph prism. refreactive indes 1.71 ( size 35 x 35 x 65 mm)	12000/-
BR -8	Accessories for constant deviation spectrograph. "Symtronics/biotech"
BR -8A	Quarter size plate camera of photographing the spectral lines.	18750/-
BR -8B	An attachment for converting the CDS into a monochromator.	14000/-
BR -8C	Micrometer eye-piece for visual measurement	15000/-
BR -8D	Condensing sphero-cylindrical lens with mount and stand	2200/-
BR -9	Zeeman effect Experiment. "symtronics/ Biotech" Complete set (all the below mentioned parts are required to perform the experiment)	325000/-set
BR -9A	Constant deviation spectrograph (long arm) without prism.	36550/-
BR -9B	Constant deviation spectrograph prism	20000/-
BR -9C	Febry perot etation, imported, The mirrors are about 40 mm in diameter. clear aperture 35 mm	50000/-
BR -9D	Micrometer eye-piece	8000/-
BR -9E	Condensing lens with stand.	6000/-
BR -9F	Light source (high voltage transformer & 1 neon discharge tube).	26350/-
BR -9G	Electromagnet EM-20 (20Kgauss) with power supply.	100000/-

Physics Laser Fibre Optical

Product Code	Product Name & Description	Price(Rs.)
BR -10	HE-NE laser. "symtronics/ Biotech" with builtin power supply. wavelength 632.8 mm. Randomly polarised. mode Temoo
BR -10A	Power 1 mW	24700/-
BR -10B	Power 2 mW	34000/-
BR -10C	Power 5 mW	56000/-
BR -10D	Stand for laser	4000/-
BR -14	DIODE LASER. “Biotech”. With Power Supply & Stand
	RED Color. Wavelength 635 to 670nm, power 5mW.	4200/-
	GREEN Color. Wavelength 515 to 525nm, power 5mW	12000/-
	BLUE Color. Wavelength 405 to 430nm. Power 3mW.	16000/-
BR -15	Optical bread board."symtronics/ Biotech" size 3 feet x 1feet. with M6 type holes drilled at every 25 mm(centred).	27000/-
BR -16	Setup for determination of wavelenth of laser using a ruler/caliper. "symtronics/ Biotech"	18500/-
BR -17	Setup for determination of wavelenth of laser using a diffraction grating. "symtronics / Biotech"	16500/-
BR -18	etup to study diffraction at straight EDGE using a diode laser. "symtronics/ Biotech"	15500/-
BR -19	Setup to study gaussian beam profile of a helium neon laser."symtronics/ Biotech"	55000/-
BR -20	Setup to measure diameter of laser beam. "symtronics/Biotech"	54000/-
BR -21	Setup to measure diameter a thin wire using a diode laser. "symtronics /Biotech"	16000/-
BR -22	Setup to measure the divergence of a laser beam. "symtronics/Biotech" using HE-NE laser	56000/-
BR -23	Setup to study law of malus using laser."symtronics/ Biotech"	21000/-
BR -24	Determination of width of slit by fraunhofer diffraction using a laser. "symtronics/ Biotech"	15600/-
BR -25	Setup to study single slit/ double interference using laser. "symtronics/Biotech"	16000/-
BR -26	Setup for bending & coupling losses & numerical aperture of a optical fibre. "symtronics /Biotech"	82200/-
BP-916	TO STUDY BEAM PARAMETERS OF HELIUM-NEON LASER. BIOTECH	64000/-
BP-917	LASER DIODE & L.E.D. CHARACTERISTICS. BIOTECH	29000/-
BP-927	DETERMINATION OF PARTICLE SIZE OF LYCOPODIUM POWDER USING DIODE LASER. BIOTECH	17000/-
BP-928	DETERMINATION OF REFRACTIVE INDEX OF LIQUID USING DIODE LASER. BIOTECH	21000/-
BP-929	NUMERICAL APERTURE OF AN OPTICAL FIBRE USING APPROXIMATION METHOD. BIOTECH	17500/-
BP-930	NUMERICAL APERTURE OF AN OPTICAL FIBRE USING FAR FIELD TECHNIQUE. BIOTECH	46000/-
BP-931	TO MEASURE NEAR-FIELD INTENSITY PROFILE OF A MULTIMODE FIBER AND HENCE ITS R.I. BIOTECH	70000/-
BP-932	NUMERICAL APERTURE, BENDING, COUPLING & SPLICE LOSSES OF A OPTICAL FIBRE BIOTECH	105000/-
BP-933	TO STUDY ACOUSTO-OPTIC EFFECT. BIOTECH. Complete With Diode laser.	105000/-
BP-934	TO STUDY MAGNETORISTRICTION IN METALLIC ROD. BIOTECH. Complete With He-Ne laser.	138000/-
BP-935	TO STUDY FARADAY EFFECT & FIND VERDET CONSTANT. BIOTECH. Complete With Diode laser.	230000/-
BP-936	TO DETERMINE SEPARATION BETWEEN PLATES OF FEBRY PEROT ETALON. BIOTECH With Diode laser.	28000/-

Physics Power Supplies

Product Model	Product Name & Description	Price (Rs.)
BR -30	Power Supply for valve experiments, "Symtronics/Biotech" with 2 analog meters.
BR -30A	Model PS 250. Output 0-300V DC @30mA & 6.3V A.C. @ 2.5 A.	3000/-
BR -30B	Model ERP 1. output 0-300V D.C. @ 50mA 6.3V A.C. @ 4A & grid bias 0-30V D.C.	3500/-
BR -30C	Model ERP 300. output 0-300V D.C. @ 100mA & 6.3V A.C. @ 4A & grid bias 0-100V D.C. 2	5500/-
BR -31	High voltage power supply with digital meter "Symtronics/Biotech" Transistorized.
BR -31A	Output 0-300V D.C. @ 100mA	7000/-
BR -31B	Output 0-300V @ 1A	18125/-
BR -31C	Output 0-500V D.C. @ 100mA	15800/-
BR -32	Digital research electrophorosis power supply DL-stablized constant voltage. 500 voltage at 100 mA model BPS 400	7500/-
BR -33	DC REGULATED POWER SUPPLY. WITH DIGITAL METERS. Biotech. Short circuit & overload protected. Line regulation ±0.01%, load regulation ±0.05%, ripple less than 1mV. Provided with 2 digital meters
BR -33A	Output Voltage Current @1A Current @ 2A Current @ 5A	0to5V 4850/- 5000/- 6700/-	0to12V 4850/- 5000/- 6700/-	0to15V 4850/- 5000/- 6700/-	0to30V 5000/- 5200/- 9250/-	0to60V 10300/- 10500/- 17500/-
BR -34	DUAL DC REGULATED POWER SUPPLY. Biotech. Short circuit & overload protected. Line regulation ±0.01%, load regulation ±0.05%, ripple less than 1mV. Provided with 4 digital meters
BR -34A	Output Voltage Current @ 1A. Current @ 2A.	0to±15V 11500.00 12000.00	0to±30V 12000/- 12500/-	0to±60V 17500/- 22000/-
BR -35	MULTI OUTPUT DC REGULATED POWER SUPPLY Biotech. Short circuit & overload protected. Line regulation ±0.01%, load regulation ±0.05%, ripple less than 1mV. Provided with 4 digital meters. Outputs available are 0 to 30V @ 2A, 0 to 5V @ 5A, +15V (fix) @ 1A & -15V (fix) @ 1A.	17000/-
BR -36	SOLID STATE IC REGULATED FIXED VOLTAGE POWER SUPPLY. “Biotech”. Input 220V A.C.
	Output Voltage A. Current 1A. B. Current 2A.	2V 2000/- 2250/-	5V 2000/- 2250/-	6V 2000/- 2250/-	12V 2000/- 2250/-	15V 2000/- 2250/-
BR -37	Power supply for pentode/tetrode valve experiment. "symtronics /Biotech" with 3 meters. HT output 0-300V @ 100mA & 40-300V @ 30mA. bias output ± 25V @ 5mA. Filament output : 2.5, 5,6,3,12.5 V A.C.	6500/-
BR -38	ARC & Spark power supply. "symtonics/ Biotech" output 0-100V @ 6V.	12500/-

Physics Oscillators WAVE FORM Generators

Product Model	Product Name & Description	Price (Rs.)
BR -39	Fixed frequency audio oscillator. "Symtronics/Biotech" (sine wave). frequency output 200 Hz, 400 Hz, 1 KHz, 2 KHz, 5 KHz, output 0-10 V continuously variable.	2300/-
BR -40	Audio Oscillator "Symtronics /Biotech" (sine & square), frequency range 20 Hz to 200 KHz in 4 decades. Output : 0-10 V (sine) & 0-15V p/p (sqaure) variable.	8000/-
BR -41	Wide range oscillator."Symtronics / Biotech" ( sine & square). frequency ranges 1 Hz to 1 MHz in 6 decades. output : 0-10 V (sine) & 0-15 V p/p (sqaure) variable.	11000/-
BR -42	Wide range oscillator."Symtronics / Biotech" (sine & square) frequency range 10 Hz to 500 KHz in 5 decades. output : 0-10 V (sine) & 0-15 V p/p (square) variable.	6500/-
BR -43	Low Distortion Oscillator. "Symtronics / Biotech" (sine & square) frequency range 10 Hz to 110 KHz in ranges. Output : 0-10 V (sine) & 0-15V p/p (square) variable.	5875/-
BR -44	R.F. oscillator. "Symtronics / Biotech" Frequency ranges 3 MHz to 8 MHz suitable for ultrasonic experiment	7600/-
BR -44B	-do- same as above but with slow motion mechanism for fine adjustments.	7000/-
BR -45	V.H.F. Oscillator "Symtronics /Biotech" for teacher wire experiment with leacher wire fitted on 1.6 m long bench.	7500/-
BR -46	AF-RF signal generator. Markonee/ Symtronics/Biotech " frequency range 100 Kc/s to 30 Mc/s divided in 7 bands.	14000/-
BR -47	Function Generator."Symtronics/ Biotech" (sine. square & triangle) frequency range 0.1 Hz to 1MHz in 6 decades. Output voltage 0-20V p/p continuosly variable.	9250/-
BR -48	Hartley Oscillator. "Symtronics/ Biotech" (valve type.) variable frequency.	3000/-
BR -49	Colpit's Oscillator. "Symtronics /Biotech" valve type). variable frequency.	3000/-
BR -49A	Phase Shift Oscillator to study board	3100/-
BEP18	1MHz FUNCTION GENERATOR. “Biotech”. (Sine, Square & Triangle) Frequency range 0.1Hz to 1MHz in 6 decades. Output voltage 0-20V p/p continuously variable. With digital with digital frequency display	12000/-
BEP19	2MHz FUNCTION GENERATOR. “Biotech”. (Sine, Square, Triangle). Frequency range 0.2Hz to 2MHz .Output voltage 0-20V p/p continuously variable. With digital frequency display	16000/-
BEP20	3MHz FUNCTION GENERATOR. “Biotech”. (Sine, Square, Triangle, Ramp, Pulse, TTL/CMOS output). Frequency range 0.3Hz to 3MHz. Output voltage 0-10V p/p continously variable. With digital frequency display	19000/-
BEP21	25MHz ARBITRARY WAVEFORM GENERATOR. OWON MAKE. Sine, Square, Pulse, Ramp & Noise as standard waveforms & 45 other built-in waveforms. Sample rate 125MS/s, 14 bit vertical resolution, amplitude 1mV p/p to 12.5V p/p, 4” TFT LCD display.	57000/-
BEP23	R.F. OSCILLATOR. DIGITAL MODEL. “Biotech”. Frequency range 3MHz to 8MHz. With digital frequency display. Suitable for ultrasonic experiment	11500/-
BEP33	HARTLEY & COLPITTS OSCILLATOR (COMBINED) STUDY BOARD. “Biotech”.	5400/-
BEP34	WIEN BRIDGE OSCILLATOR STUDY BOARD. “Biotech”	3100/-
BEP36	UJT AS RELAXATION OSCILLATOR STUDY BOARD. “Biotech”	2760/-
BEP37	STUDY OF CRYSTAL OSCILLATOR. “Biotech”.	3300/-

Physics Test Measuring Instruments

Product Code	Product Name & Description	Price (Rs.)
BR -50	Digital LCR meter. imported. Hand held. 3 1/2 digit LCD display, battery operated.Inductance : 200 µH, 2mH, 20mH, 200mH, 2H, 200H, Capacitance : 200pf, 2,20,200, nf,µf, & mf Resistance : 2Ω, 20Ω, 200Ω, 2KΩ, 200KΩ, 2MΩ, 20MΩ,	6000/-
BR -51	V.T.V.M. Electronic volt OHM meter, (VTVM) "symtronics /Biotech" for measuring AC/DC voltage & resistance VTVM voltage range 1.5 V to 1500V FSD in 7 ranges, resistance range 0.2Ω to 1000MΩ in 7 ranges.	11500/-
BR -52	Wave meter, absorption type, 6 band "symtronics/Biotech" having 6 frequency coils. range 100 KHz to 100MHz.	5800/-
BR -53	Digital Frequency Counter. "symtronics/ Biotech" 6 digit LED range 1Hz to 50 MHz.	8600/-
BR -54	Lux meter. imported. Hand held, range 0-50 Klux. LCD display.	3100/-
BR -55	A.C. Millivoltmeter. Digital. "Symtronics/ Biotech" range 199.9mV, 1.999V & 750 V.	6500/-
BR -56	Digital capacitance meter. "Symtronics/ Biotech" 3.5 digit display range : 1.99.9 pfd to 19.99 µfd.	3000/-
BR -57	0MHz single trace portable oscilloscope "Symtronics/ Biotech" CRT diameter 3" (75mm)	16600/-
BR -57A	General purpose oscilloscope, 10 Hz to 2 MHz, "Symtronics/ Biotech" single beam. 130 mm CRT. vertical sensitivity 20mV/p/p in 3 steps. Time base/sweep 10 Hz - 100 KHz in 5 steps. synchronized time base.	40000/-
BR -57B	20 MHz dual trace oscilloscope. "Symtronics/ Biotech"	33600/-
BR -57C	Oscillscope 5 MHz XY. "Symtronics/ Biotech" single beam, bandwidth 10 Hz to 5 MHz. CRT 130 mm. vertical sensitvity 10 mV /div to 20V/div in 11 steps. horizental attenuator 50m V/div to 20 V/div in 9 steps. Time base/sweep frequency 10 Hz to 300 KHz in 8 steps with vernier, synchronized time base.	16950/-
BR - 68	G.M. counter (geiger counting system) "Symtronics/ Biotech". complete	84000/set
BR - 68A	6 digit G.M. counter with built in power supply	43750/-
BR - 68B	End window G.M. detector. (halogen Quenched)	13700/-
BR - 68C	Stand for above	7500/-
BR - 68D	Beta reference source	16000/-
BR - 68E	Gamma Reference source	16000/-
BR - 68F	Aluminium absorber disc set.	6200/-
BR -69	Electron Spin Resonance Spectrometer. "Symtronics/ Biotech" complete in all respect except a CRO.	79000/-
BR -70	Four probe apparatus. "Symtronics/ Biotech" for resistivity of semiconductors at different temprature. complete	27600/-
BR -71	Hall effect experiment. "Symtronics/ Biotech" complete	69000/-
BR -71A	Electromagnet EMS (6.5 K gauss) with power supply.	44625/-
BR -71B	Gauss meter. analog (0-20 Kgauss)	17500/-
BR -71C	Hall probe (n-type) with spring type contacts	3275/-
BR -71D	Hall effect setup with built-in digital milli-voltmeter & constant current source	13050/-
BR -71E	Hall probe stand. Wooden	1650/-
BR -72	Frank hertz emperiment. "Symtronics/ Biotech" complete in all respect.	83000/-
BR -73	Magnetic Hystersis Loop Tracer. "Symtronics/ Biotech" complete in all respect except an ordinary CRO.	75000/-
BR -74	Susceptibilty of paramagnetic solution by quinck's tubes method. "Symtronics/ Biotech"	67000/-set
BR -74A	Quinck's tube with stand	1500/-
BR -74B	Sample Fecl3	450/-
BR -74C	Electromagnet EM10 (10Kgauss) with power supply.	53500/-
BR -74D	Digital gauss meter (0-20Kgauss)	14375/-
BR -74E	Travelling Microscope V&H motion	6500/-
BR -75	Planck's constant apparatus. "Symtronics/Biotech" complete with power supply with 2 analog meters. photocell with mount light source & fitter set.	12750/-
BR -75B	-do- but intead of analog meters Two digital meters are provided.	13600/-
BR -75C	Planck's constant apparatus using LED's	17500/-
BR -76	Ultraonic diffraction apparatus. "Symtronics/ Biotech"
BR -76A	Quartz crystal with tank & holder	1100/-
BR -76B	R.F. oscillator to oscillate the crystal	8350/-
BR -76C	Special type high resolving spectrometer with micrometer scal fitted to eye- piece.	16500/-
BEP58	100MHz DUAL CHANNEL DIGITAL STORAGE OSCILLOSCOPE. (D.S.O.). Imported. Color Screen 7” size.	45000/-
BEP59	50MHz DUAL CHANNEL DIGITAL STORAGE OSCILLOSCOPE. (D.S.O.). Imported. Color Screen 7” size.	41000/-
BEP60	30MHz DUAL CHANNEL DIGITAL STORAGE OSCILLOSCOPE. (D.S.O.). Imported. Color Screen 7” size.	40000/-
BEP61	20MHz DUAL CHANNEL DIGITAL STORAGE OSCILLOSCOPE. (D.S.O.). Imported. Color Screen 7” size.	30000/-
BEP62	30MHz DUAL TRACE OSCILLOSCOPE. (Analog Oscilloscope). Impor ted. Screen size 5”	48000/-
BEP63	20MHz DUAL TRACE OSCILLOSCOPE. (Analog Oscilloscope). Impor ted. Screen size 5”	40000/-
BEP64	10MHz SINGLE TRACE OSCILLOSCOPE. (Analog Oscilloscope). Impor ted. Por table Size. Screen size 3”	18000/-
BEP135	HALL EFFECT IN METALS. “Biotech”. Complete with Electromagnet & its power supply, Digital Gaussmeter, Hall Probe (One silver & one tungsten), Stand for hall probe, High Current power supply & DC Micro-voltmeter	301000/-
BEP136	DEPENDENCE OF HALL COEFFICIENT ON TEMPERATURE. “Biotech”. Complete with Hall Effect Setup, Germanium crystal with small oven & thermocouple, Stand for hall probe, Electromagnet with its power supply and Digital gaussmeter	175000/-
BEP182	SUSCEPTIBILITY OF SOLIDS BY GOUY’S METHOD. “Biotech”. (With Fixed Samples). Complete with balance, samples, 5 Kilogauss electromagnet with power supply, digital gaussmeter etc.	83000/-
BEP183	ULTRASONIC DIFFRACTION APPARATUS. “Biotech”. Complete with Quartz crystal with tank , R.F. Oscillator, High Resolving Spectrometer (10” Scale with 20 second least count) with micrometer scale fitted to eye-piece & with sodium vapour lamp assembly.	65000/-
BEP183(B)	ULTRASONIC DIFFRACTION APPARATUS. ECONOMY MODEL. “Biotech”. Complete with Quartz crystal with tank, R.F. Oscillator, Spectrometer (7” Scale with 1 minute least count) with micrometer scale fitted to eye-piece. Price without sodium vapour lamp assembly.	40600/-

Physics Boards

Product Code	Product Name & Description	Price (Rs.)
BR -77A	Study of single stage RC coupled amplifier. "Symtronics /Biotech" without VTVM & oscillator	2100/-
BR -77B	Study of 2-stage RC coupled amplifier. "Symtronics/Biotech" without VTVM & oscillator.	2800/-
BR -77C	Study of F.E.T.amplifier. "Symtronics/Biotech" without VTVM & scillator	2600/-
BR -77D	Study of transformer coupled amplifier. "Symtronics/Biotech" without VTVM & oscillator	2800/-
BR -77E	R-C transmission line study board. "Symtronics/Biotech" without VTVM	9700/-
BR -77F	L-C Transmission line study board. "Symtronics/Biotech" without VTVM, oscillator & resistance box.	14500/-
BR -77G	Stefan's law apparatus. "Symtronics/ Biotech" with power supply with 2 analog meters.	3900/-
BR -77H	Zener diode as voltage regulator. "Symtronics/Biotech" complete with power supply with 2 analog meters.	3750/-
BR -77I	Clipping & claiming circuit. "Symtronics/ Biotech" complete with power supply.	3500/-
BR -77J	Conversion of galvanometer into voltmeter. "Symtronics/Biotech" with power supply & 2 analog meters.	3500/-
BR -77K	Conversion of galvnometers into ammeter. "Symtronics/Biotech" with power supply & 2 analog meters.	3500/-
BR -77L	R.C. circuit as low pass/high pass filter. "Symtronics/Biotech" without oscillator & VTVM/CRO.	3500/-
BR -77M	Kirchoff's law apparatus. "Symtronics/ Biotech" with power supply & 2 analog meters.	3700/-
BR -77N	Study of various filter circuits using L.C. & R. "Symtronics/ Biotech" withput oscillator VTVM/CRO	3250/-
BR -77O	LCR configuration apparatus. "Symtronics/ Biotech" to study LC & R in series /parallel & to study effect LC & R in various configuration in filter circuit.	4800/-
BR -77P	LCR impedence apparatus. "Symtronics/ Biotech"	4300/-
BR -77Q	Voltage doubler & tripler circuit. "Symtronics/ Biotech"	4000/-
BR -77R	Flashing & Quenching of neon bulb. "Symtronics/ Biotech" with power supply but without stop watch.	3500/-
BR -77S	To verify millman theoram. "Symtronics/ Biotech" complete.	3800/-
BR -77T	To verify thevnin theoram. "Symtronics/ Biotech" complete.	3700/-
BR -77U	To verify Norton theoram. "Symtronics/ Biotech" complete.	3700/-
BR -77V	To verify maximum power transfer theoram. "Symtronics/ Biotech" complete.	3700/-
BR -77W	To verify Reciprocity theoram. "Symtronics/ Biotech" complete.	3800/-
BR -77X	To verify Super Position theoram. "Symtronics/ Biotech" complete.	3800/-
BR -77Y	Verification of networks theoram. "Symtronics/ Biotech" thevnin, nortion super position & M. power transfer.	6700/-
BR -77Z	Verification of tellagans theoram. "Symtronics/ Biotech"	3800/-
BEP42	STUDY OF COMMON BASE TRANSISTOR AMPLIFIER. “Biotech”. Price without oscillator & CRO.	2300/-
BEP43	STUDY OF COMMON EMITTER TRANSISTOR AMPLIFIER. “Biotech”. Price without oscillator & CRO	2300/-
BEP46	STUDY OF BIASING TECHNIQUES OF A TRANSISTOR. “Biotech”. Price without oscillator & CRO	5000/-
BEP47	STUDY OF CLASS “A”, “B”, “AB” & PUSH-PULL AMPLIFIER. “Biotech”. Price without oscillator & CRO	9200/-
BEP71	OHMS LAW APPARATUS. “Biotech”. With inbuilt power supply & 2 analog meters	2600/-
BEP72	RESISTANCE IN SERIES & PARALLEL. “Biotech”. With inbuilt power supply & 2 analog meters.	3500/-
BEP73	CAPACITOR IN SERIES & PARALLEL. “Biotech”. Price without digital multimeters	8500/-
BEP79	STUDY OF PYE TYPE LOW/HIGH/BAND PASS & BAND STOP FILTER. “Biotech”. Without oscillator & CRO	4400/-
BEP80	STUDY OF L.R. CIRCUIT WITH A SOURCE OF ALTERNATING EMF. “Biotech”. With builtin power supply	9700/-
BEP176	CHARACTERISTIC & APPLICATIONS OF THYRISTOR. “Biotech”.	10500/-
BEP177	ELECTRON SPIN RESONANCE SPECTROMETER. “Biotech”. Complete in all respect except a CRO	79000/-
BEP184	ULTRASONIC INTERFEROMETER (FOR LIQUIDS). “Biotech”. Single Frequency.	48000/-
BEP185	DIELECTRIC CONSTANT KIT FOR SOLIDS & LIQUIDS. “Biotech”. Using Resonance Method.	16000/-
BEP186	DIELECTRIC CONSTANT KIT FOR SOLIDS & LIQUIDS. “Biotech”. (MSc Level). Price without CRO	58000/-
BEP187	DIELECTRIC CONSTANT KIT FOR SOLIDS WITH FREQUENCY VARIATION. “Biotech”. Price without CRO.	58000/-
BEP188	CURIE TEMPERATURE KIT FOR FERRO ELECTRICS. “Biotech”. Price without CRO.	49500/-
BEP189	CURIE TEMPERATURE KIT FOR FERRITES. “Biotech”. Price without CRO.	53000/-
BEP190	MEASUREMENT OF MAGNETO RESISTANCE OF SEMICONDUCTORS. “Biotech”. With 4 probe arrangement, Ge sample, magnetoresistance setup, electromagnet with power supply & gaussmeter	184000/-
BEP191	MAGNETIC FIELD MEASUREMENT APPARATUS. “Biotech”.	50500/-

Physics Transistor Characterstics Apparatus

Product Code	Product Name & Description	Price (Rs.)
BR -78A	Field effect transistor (FET) characterstics apparatus. "Symtronics/ Biotech" with power supply & 3 meters.	4200/-
BR -78B	Mosfet characterstics apparatus. "Symtronics/ Biotech" with power supply & 3 analog meters.	4200/-
BR -78C	UJT characterstics apparatus. "Symtronics/ Biotech" with power supply & 3 analog meters.	4200/-
BR -78D	S.C.R. characterstics of diac. "Symtronics/ Biotech" with power supply & 3 analog meters.	4200/-
BR -78E	Chracterstics of a diac. "Symtronics/ Biotech" with power supply & 3 analog meters.	3000/-
BR -78F	Characterstics of triac. "Symtronics/ Biotech" with power supply & 3 analog meters.	4000/-
BR -78G	Thyratron characterstics apparatus. "Symtronics/ Biotech" wtih power supply & 3 analog meters	5800/-
BR -78H	Thermistor characterstics apparatus. "Symtronics/ Biotech" with power supply & 2 analog meters.	3800/-
BR -78I	Photo transistor characterstics apparatus. "Symtronics/ Biotech" wtih power supply & 2 analog meters.	3700/-
BR -78J	Photo diode characterstics apparatus. "Symtronics/ Biotech" with power supply & 2 analog meters.	3500/-
BR -78K	Photo cell characterstics apparatus. "Symtronics/ Biotech" with power supply & 2 a analog meters.	16000/
BR -78L	Photo volatege cell characterstics apparatis. "Symtronics/ Biotech" with 2 analog meters & with light course	4300/-
BR -78M	Solar cell characterstics apparatus. "Symtronics/ Biotech" with 2 analog meters & with light sourse	4300/-
BR -78N	To study photo voltaic cell & to verify inverse square law. "Symtronics/ Biotech"	4500/-
BR -78O	L.D.R. Characterstics Apparatus. "Symtronics/ Biotech" with light source. & 2 analog meter	3700/-
BR -78P	L.E.D. characterstics apparatus. "Symtronics/ Biotech" with powe supply & 2 analog meters.	3000/-
BR -78Q	Study of OPTO-coupler. "Symtronics/ Biotech"	6200/-
BR -78R	B.H. curve apparatus. "Symtronics / Biotech" without CRO.	8000/-
BR -78S	Series/parallel, resonance circuit. "Symtronics/ Biotech" with two A.C. meters but without oscillator.	3500/-
BR -78S(ii)	--do – same as above but with 200KHz oscillator.	12000/-
BR -78T	Study of regulated D.C. power supply. "Symtronics/ Biotech" complete with 2 analog meters	6000/-
BR -78U	Charging & discharging of a condensor. "Symtronics/ Biotech" (C-R circuit study) w/o stop watch	3500/-
BR -78V	Study of multibrators. "Symtronics / Biotech" complete in all respect an ordinary CRO.	4200/-
BR -78W	Study of basic operational amplifier. type 741. "Symtronics/ Biotech" with digital voltmeters.	11000/-
BR -78X	Study of OP-AMP applications. "Symtronics/ Biotech"	8500/-
BR -78Y	Study of IC regulator type. 723. "Symtronics/ Biotech" complete.	8800/-
BR -78Z	Study of IC timer. type 555. "Symtronics/ Biotech" complete.	8460/-
BR - 79A	Study of Hybrid parameters of a tramsostor in C-E mode. "Symtronics/ Biotech" with 4 meters.	4200/-
BR - 79B	Determination of energy/band-gap in semi-conductor diode apparatus. "Symtronics/ Biotech"	3800/-
BR - 79B(ii)	--do– same as above but with 2 DIGITAL meters (instead of analog meters).	5400/-
BR - 79C	Ionisation potential of mercury vapour using thyratron valve. "Symtronics/ Biotech" Complete	5800/-
BR - 79D	Work function of a diode valve & verification of richardosn equation. "Symtronics/ Biotech" Complete	5800/-
BR - 79E	Study of characterstics of semiconductor diodes PN JUNC ZENER & LED. "Symtronics/ Biotech"	6500/-
BR - 79F	Study of modulation & demodulation. "Symtronics/ Biotech" without oscillator & oscilloscope.	4200/-
BEP147A	PLANCK CONSTANT APPARATUS USING PHOTOCELL. “Biotech”. Complete with power supply with 2 analog meters, photocell with mount, light source & filter set	17000/-
BEP147B	— do – But instead of analog meters TWO DIGITAL METERS are provided	18000/-
BEP148	PLANCK CONSTANT APPARATUS USING L.E.D.’s. “Biotech”. Complete with highly regulated power supply	6600/-
BEP149A	PLANCK CONSTANT APPARATUS USING SOLAR CELL. “Biotech”.	31000
BEP149B	PLANCK CONSTANT APPARATUS USING BLACK BODY RADIATION. “Biotech”.	31000/-
BEP150	STUDY OF OPTO-ELECTRONIC DEVICES. “Biotech”. To study chac. of LED, LDR, Photo Trans., Photo Diode etc	6500/-
BEP168	STUDY OF VOLTAGE REGULATION USING IC317. “Biotech”.	6500/-
BEP169	STUDY OF VOLTAGE REGULATION USING 78XX SERIES REGULATOR. “Biotech”.	6000/-
BEP213	STUDY OF OP-AMP AS INVERTING & NON-INVERTING AMPLIFIER. “Biotech”.	3900/-
BEP214	STUDY OF OP-AMP AS ADDER, SUBTRACTOR, INVERTING & NON-INVERTING AMPLIFIER.“Biotech”.	3500/-
BEP215	STUDY OF OP-AMP AS INVERTING, NON-INVERTING AMPLIFIER, DIFFRENTIATOR, INTEGRATOR. “Biotech”.	4600/-
BEP216	STUDY OF OP-AMP AS VOLTAGE AND CURRENT FEEDBACK AMPLIFIER. “Biotech”.	5100/-
BEP217	STUDY OF OP-AMP AS V TO I & I TO V CONVERTOR. “Biotech”.	3600/-
BEP218	STUDY OF OP-AMP AS VOLTAGE COMPARATOR. “Biotech”.	3300/-
BEP219	STUDY OF OP-AMP AS SCHMITT TRIGGER. “Biotech”.	3500/-
BEP220	STUDY OF OP-AMP AS SINE TO SQUARE WAVE CONVERTOR. “Biotech”.	3500/-
BEP221	STUDY OF OP-AMP AS SQUARE TO TRIANGULAR WAVE CONVERTOR. “Biotech”.	5100/-
BEP222	STUDY OF OP-AMP AS INSTRUMENTATION AMPLIFIER. “Biotech”.	6200/-
BEP223	STUDY OF OP-AMP AS CLIPPING & CLAMPING CIRCUIT. “Biotech”.	3600/-
BEP224	STUDY OF OP-AMP AS UNITY GAIN AMPLIFIER. “Biotech”.	3300/-
BEP225	STUDY OF AMPLITUDE MODULATION & DEMODULATION. “Biotech”. Price without CRO.	6000/-
BEP226	STUDY OF FREQUENCY MODULATION & DEMODULATION. “Biotech”. Price without CRO.	6000/-
BEP227	STUDY OF PULSE AMPLITUDE MODULATION & DEMODULATION. “Biotech”. Price without CRO.	6000/-
BEP228	STUDY OF PULSE POSITION MODULATION & DEMODULATION. “Biotech”. Price without CRO.	6000/-
BEP229	STUDY OF PULSE WIDTH MODULATION. “Biotech”. Price without CRO.	6000/-
BEP230	STUDY OF PULSE CODE MODULATION & DEMODULATION. “Biotech”. Price without CRO.	16500/-
BEP231	STUDY OF ASK MODULATION & DEMODULATION. “Biotech”. Price without CRO.	7000/-
BEP232	STUDY OF FSK MODULATION & DEMODULATION. “Biotech”. Price without CRO.	7000/-
BEP233	STUDY OF PSK MODULATION & DEMODULATION. “Biotech”. Price without CRO	7000/-
BEP234	STUDY OF PHASE MODULATION. “Biotech”. Price without CRO	7000/-
BEP235	STUDY OF DELTA MODULATION & DEMODULATION. “Biotech”. Price without CRO	8400/-
BEP236	STUDY OF SINGLE SIDE BAND MODULATION & DEMODULATION. “Biotech”. Price without CRO	24000/-
BEP238	STUDY OF TIME DIVISION MULTIPLEXER (TDM). “Biotech”. Price without CRO.	7000/-
BEP239	STUDY OF TRANSMITTER & RECEIVER USING FIBRE OPTIC CABLE. “Biotech”.	18500/-

ACCESSORIES FOR ELECTRONIC APPARATUS

Product Code	Product Name & Description	Price (Rs.)
BR -80	Diode valve/triode valve. "Symtronics/ Biotech" (any one) with bread board.	800/-
BR -81	Pentode valve/tetrode valve. "Symtronics/ Biotech" (any one) with bread board.	1100/-
BR -82	Thyratron valve. "Symtronics / Biotech" valve no. 884/2050/ 2051/2D21 or equivaient with bread board.	3800/-
BR -83	Photo multiplier tube. imported.	14250/-
BR -84	Transistor or zener diode or semiconductor. "Symtronics / Biotech" mounted. (any one)	350/-
BR -85	Thermistor. "Symtronics/ Biotech" mounted	200/-
BR -86	U.J.T. "Symtronics/ Biotech" Mounted	250/-
BR -87	S.C.R. "Symtronics/ Biotech" mounted	350/-
BR -88	Photo cell. valve type. with bread board.	9500/-
BR -89	Photo voltaic cell. selenium type. "Symtronics/ Biotech" mounted	800/-
BR -90	Colour glass filters."Symtronics/ Biotech" yellow or green or orange or blue or red or UV range (any one)	400/-
BR -91	Quater wave plate. "Symtronics/ Biotech" 25mm diameter mounted on a graduated circular scale of 360°	9000/-
BR -92	Half wave plate. "Symtronics / Biotech" 25 mm diameter, mounted on a graduated circular scale of 360°	7500/-
BR -94	Solderless bread board. with 2 distribution strips of 100 tie points & 1 terminal strip of 640 tie points.	200/-
BR -95	Connecting leads. stackable. FOR multiple connections. chord length 1 feet	60/-
	(a) Scientific Calculator - Pocket Type	1500/-
	(b) Non-Stackable. for single connection. chord length 1 feet.	50/-
BR -96	A Circuit Designer Board model. "Symtronics /Biotech". for designing circuits of OR ,and & NOT gates using diodes & transistors.	3500/-

TRAINING BOARDS

Product Model	Product Name & Description	Price (Rs.)
BR -96	Circuit Designer board model. "Symtronics/ Biotech" for desining circuits of OR, And & NOT gates using diodes & Transistors.	3500/-
BR -97	Logic gate trainer. model LG-399, "Symtronics/ Biotech" for studying and or Nand, NOR & NOT gates.	2500/-
BR -98	Logic gate trainer. model LG-321 "Symtronics/ Biotech" for stuyding gate. De-morgan;s theoram & boolean expressions half adder circuit & combinational logic circuit.	8650/-
BR -99	Logic gate trainer. LG-341. "Symtronics/ Biotech" for stuyding sequential & F cominational logic circuits.	14500/-
BR -100	Digital IC trainer. "Symtronics/ Biotech" for verfication of laws/theoram of boolean algebra. study of gates. verification of imp. TTL circuit parameters building of flips -flops using gates & their timings. study of shift register operations. series to parallel conversion & implementing registers using flip-flops, verification of operation of decades & up/down counter, implementing adders using gates. study of comparator & understanding 7 segment displays & decoders/drivers & study of monoshot truth table & timings.	28000/-
BR -101	Linear IC trainer. "Symtronics/ Biotech". For study op-amp characterstics like open loop gain. output resistance. differential input resistance unity gain bandwidth rated output. full power responce. slewing rate input offset voltage. input bias current. input noise current, CMRR, common mode input resistance. Study of op-amp application like inverting amplifier, voltage follower, differentiator, integrator, log ampligier, limiter, ac/dc converter etc. Study of operation of monolithic voltage regulator & verification of regulator characterstics. Study of characterstics & operation of high speed voltage comparator & study of comparator application: Schmitt trigger. pulse width modulation etc. Study of PLL & measurment of imp. PLL characterstics like lock range, capture range VCO sensitivity & VCO lineraity etc.	27000/-
BR -102	Ti study TS, D & JK flip-flop, "Symtronics/ Biotech"	3700/-
BR -103	To study RS, D,T, JK & JK master slave flip-flop "Symtronics/ Biotech"	4300/-
BR -104	To study operation & characterstics of a programmable shift register. "Symtronics/ Biotech"	3300/-
BR -105	To study left, Right, & programmeable shift register. "Symtronics/ Biotech"	3500/-
BR -106	To study half adder using various gates. "Symtronics/ Biotech"	7000/-
BR -106A	To verify half/full adder & subtractor. "Symtronics/ Biotech"	3700/-
BR -107	To study half subtractor using various gates. "Symtronics/ Biotech"	7000/-
BR -107A	Digital to analog convertor( D to A) "Symtronics/ Biotech"	2700/-
BR -108	To study full adder using various gates. "Symtronics/ Biotech"	7000/-
BR -109	To study full subtractor using various gates. "Symtronics/ Biotech"	7000/-
BR -110	Analog to digital convertor (A to D) . "Symtronics/ Biotech"	4100/-
BR -111	To study encoder & decoder circuit. "Symtronics/ Biotech"	5800/-
BR -112	To construct & study 4-bit ripple counter. "Symtronics/ Biotech"	4000/-
BR -113	Study of 4-1 line multiplexer using IC . "Symtronics/ Biotech"	4150/-
BR -114	Study of 16-1 line multiplexer using IC. "Symtronics/ Biotech"	4600/-
BR -115	Study of 1-4 line demultiplexer using IC. "Symtronics/ Biotech"	4150/-
BR -116	Study of 1-16 line demultiplexer using IC. "Symtronics/ Biotech"	4600/-
BR -117	Study of BCD to 7 segment decoder. "Symtronics/ Biotech"	4000/-
BR -118	Study of BCD to decimal decoder. "Symtronics/ Biotech"	4000/-
BR -119	Study of parity circuits. "Symtronics/ Biotech"	4700/-
BR -120	Verification of arithmatic logic unit (alu) using IC 74181. "Symtronics/ Biotech"	5100/-
BR -121	To study 4 bit adder & subtractor using IC. 7483. "Symtronics/ Biotech"	4200/-
BR -122	To study 4 bit parallel adder/ subtractor using IC. 7483 & IC 7486 . "Symtronics/ Biotech"	5000/-
BR -123	To study random access memory (RAM) . "Symtronics/ Biotech"	5200/-
BR -124	Study of read only memor (ROM). "Symtronics/ Biotech"	7300/-
MICROPROCESSOR TRAINERS
BEP250	8085 MICROPROCESSOR TRAINER. “Biotech”. With inbuilt power supply, with LED display & HEX keyboard	9200/-
BEP251	8086 MICROPROCESSOR TRAINER. “Biotech”. With inbuilt power supply, with LED display & HEX keyboard.	12600/-
BEP252	PERIPHERAL STUDY CARDS FOR MICROPROCESSOR TRAINER. “Biotech”. 8255 or 8155 or 8253 or 8251	3800/-
BEP253	MICROCONTROLLER KIT BASED ON 8051. “Biotech”. With inbuilt power supply, with LED display & HEX keyboard	11500/-
DIGITAL ELECTRONICS TRAINERS
BEP260	LOGIC GATE TRAINER USING DISCRETE COMPONENTS. “Biotech”. Using Diodes & Transistors	2600/-
BEP261	LOGIC GATE TRAINER. MODEL LG-399. “Biotech”. For studying AND, OR, NAND, XOR, XNOR & NOT gates	2100/-
BEP262	LOGIC GATE TRAINER USING NAND GATES. “Biotech”. For studying AND, OR, NAND, NOR & NOT gates	2800/-
BEP263	VERIFICATION OF LOGIC GATES & DE-MORGAN’S THEOREM. “Biotech”.	3300/-
BEP264	VERIFICATION OF BOOLEAN IDENTITIES & DE-MORGAN’S THEOREM. “Biotech”.	5800/-
BEP271	STUDY OF PULSE / CLOCK GENERATOR USING NAND GATE. “Biotech”.	4400/-
BEP275	TO STUDY HALF & FULL ADDER USING VARIOUS GATES. “Biotech”.	2900/-
BEP278	TO STUDY HALF & FULL SUBTRACTOR USING VARIOUS GATES. “Biotech”.	3100/-
BEP280	TO VERIFY HALF / FULL ADDER & SUBTRACTOR USING NAND GATES. “Biotech”.	4300/-
BEP283	STUDY OF 8-BIT A TO D CONVERTOR USING 0809. “Biotech”.	9500/-
BEP284	STUDY OF 8-BIT D TO A CONVERTOR USING 0808. “Biotech”.	10000/-
BEP286	STUDY OF 4-BIT BINARY TO GREY & GREY TO BINARY CONVERTOR. “Biotech”.	3000/-
BEP287	STUDY OF 4-BIT UP & DOWN COUNTER“Biotech”. (Synchronous, Asynchronous, Ring & Jhonson counter).	6500/-
BEP288	STUDY OF 4-BIT SHIFT REGISTER. “Biotech”. (Universal shift, SIPO, PIPO, PISO & SISO).	5000/-
BEP289	STUDY OF 4-BIT SIPO & SISO REGISTER. “Biotech”.	5000/-
BEP290	STUDY OF 4-BIT PIPO & PISO REGISTER. “Biotech”.	5000/-
BEP291	STUDY OF DIVIDE BY “N” COUNTER USING IC7442. “Biotech”.	6800/-
BEP292	STUDY OF 4-1 LINE MULTIPLEXER & 1-4 LINE DEMULTIPLEXER. “Biotech”.	3800/-
BEP293	STUDY OF 16-1 LINE MULTIPLEXER & 1-16 LINE DEMULTIPLEXER. “Biotech”.	4800/-
BEP294	STUDY OF MULTIPLEXER & DEMULTIPLEXER. “Biotech”. (2:1, 4:1, 8:1, 16:1 & 1:2, 1:4, 1:8, 1:16)	6500/-
BEP295	STUDY OF 4 BIT DIGITAL COMPARATOR. “Biotech”.	4700/-
BEP296	STUDY OF MULTIVIBRATOR USING UNIVERSAL GATE. “Biotech”.	7000/-
BEP298	STUDY OF PARITY CIRCUITS. “Biotech”.	4700/-
BEP299	VERIFICATION OF ARITHMETIC LOGIC UNIT (ALU) USING IC 74181. “Biotech”.	5200/-
BEP300	TO STUDY 4 BIT ADDER & SUBTRACTOR USING IC7483. “Biotech”.	5100/-
BEP301	TO STUDY RAM CIRCUIT USING IC7489. “Biotech”.	5200/-
ACCESSORIES
BEP310	DIODE VALVE / TRIODE VALVE. “Biotech”. (any one) With bread board	800/-
BEP311	PENTODE VALVE / TETRODE VALVE. “Biotech”. (any one) With bread board.	1100/-
BEP312	THYRATRON VALVE. “Biotech”. Valve no. 884 / 2050 / 2051 / 2D21 or equivalent with bread board.	3800/-
BEP314	TRANSISTOR OR ZENER DIODE OR P.N. JUNCTION DIODE OR THERMISTOR. “Biotech”. Mounted. (any one).	350/-
BEP316	PHOTO CELL. VALVE TYPE. With bread board.Biotech	9500/-
BEP317	PHOTO VOLTAIC CELL. SELENIUM TYPE. “Biotech”. Mounted.	800/-
BEP318	COLOUR GLASS FILTERS. “Biotech”. Yellow or Green or Orange or Blue or Red or UV range (any one).	400/-
BEP319	QUARTER WAVE PLATE OR HALF WAVE PLATE. “Biotech”. 25mm dia., mounted on a graduated circular scale of 360°.	9000/-
BEP321	SCIENTIFIC CALCULATOR. Pocket type, with Log, trigonometric, root, memory & other scientific functions.Biotech	1500/-
BEP322	SOLDERLESS BREAD BOARD. With 2 distribution strips of 100 tie points & 1 terminal strip of 640 tie points.Biotech	200/-
BEP323	CONNECTING LEADS. Stackable. For multiple connections. Chord length 1 feet.Biotech	60/-
BEP324	CONNECTING LEADS. Non-Stackable. For Single Connection. Chord length 1 feet.Biotech	50/-

Physics Equipment Services Seco

Product Code	Product Name & Description	Price (Rs.)
RI -1	Digital DC microvoltmeter model DMV - 001	9360/-
RI -2	Digital nanometer model Biotech- DNM - 121	9360/-
RI -3	Digital picoameter, model DPM - 111. Biotech	14220/-
RI -4	High voltage power supply model EHT - 11. Biotech	8760/-
RI -5	True RMS A.C. Millivoltmeter, model ACM -102 (range 20mV, 200mV, 2 V & 20 V ) Biotech	6720/-
RI -5B	True RMS AC millivoltmeter, model ACM - 102 ( same as above with built in 1 KHz oscillator ). Biotech	6960/-
RI -6	Electromagnet, model EMU -75 (pole pieces 75 mm flat, 11 kg at 10 mm. air gap) Biotech	35625/-
RI -7	Constant current power supply. model DPS - 175. Biotech	12375/-
RI -8	Electromagnet, model EMU- 50 V ( pole pieces 50 mm flat Biotech.	18125/-
RI -8B	Elcetromagnet, magnet EMU - 50T ( tapped pole pieces) Biotech	18375/-
RI -9	Constant current power supply model DPS - 50. Biotech	9000/-
RI -10	Digital gaussmeter, model DGM - 102. (range 2kg & KG ) Biotech	10080/-
RI -11	Digital gaussmeter. model DGM - 202 (range 2kg & 20 KG. Interchangeable hall probe)	11160/-
RI -12	Digital gaussmeter. model DGM - 103. (range 2 kg & 20kg & 40 kg. with defferential mode facility. Biotech	13800/-
RI -13	Digital Gaussmeter. model DGM - 204 (range 0.2 Kg. & 20 Kg. & 40 Kg. interchangeable hall probe ) Biotech	12600/-
RI -14	Function Generator model FG -01. (10Hz-2MHz. square/sine/triangular. amplitude 0-3 V (P.P.) Biotech	8820/-
RI -15	Regulated power supply model PS-12 (±12 V & ± 5V.) Biotech.	1500/-
RI -16	Determination of plank's constant by mean's LED's complete in all respects. Biotech	18125/-
RI -17	Frank hertz Experiment complete in all respect. F.H. 3001 Biotech	35625/-
RI -18	Resistivity semicondutors by four probe methods at different temprature and determination of the band gap DFP-02 (basic model) complete in all respect. biotech	14750/-
RI -19	Resistivity semiconductors by four probe methods at different temperature and determination of the band gap. DFP-03 (advance model) complete in all respect. Biotech	18500/-
RI -20	Four probe set-up for measuring the resistivity of very low to highly resistive sample at temperature upto 200°C with PID controlled oven (research model) the set-up consists of the following. Biotech. A. Four probe arrangement with built in RTD sensor & PID controlled oven. B. D.C. Microvoltmeter. model DMV-001 C. Constant current source model CCS-01 (range 0-20mA & 0-200 mA) for low resistivity samples like thin films of metals and alloys. D. Low current source. model LCS-02 (range 0-2 µA. 0-200 µA & 0-2 mA) for for highly resistive samples complete in all respects	41875/-
RI -21	Four probe set-up for mapping the resistivity of large samples the set up consists of the following. Biotech (a) Four probe arrangement with 2 way movement and vernier scales. (b) D.C. microvoltmeter. model DMV-001. (c) Constant current source model CCS-01 (range 0-20mA & 0-200 mA) for low resistivity samples like thin films of metals and alloys. (d) Low current source. model LCS-02 (range 0-2 µA. 0-200 µA & 0-2 mA) for for highly resistive samples complete in all respects.	29375/-
RI -22	Measuement of magnetoresistance of Semicondustors. The set-up consists of following units. Biotech	64450/-
RI -22A	Four probe arrangement. Biotech	2580/-
RI -22B	Samples : Ge crystal (n-type). Biotech	1560/-
RI -22C	Magnetoresistance set-up model DMR - 01. Biotech	5700/-
RI -22D	Electromagnet, Model EMU -75. Biotech	35625/-
RI -22E	Constant current power supply. DPS - 175. Biotech	12375/-
RI -22F	Digital gaussmeter, model DGM-102. complete in all respects. Biotech.	10080/-
RI -23	Study of thermoluminescence of F-centres in alkali halide crystals. Biotech	41685/-
RI -23A	Experimental set-up for creating the thermoluminescence	7190/-
RI -23B	TL -02 (with digital thermometer and oven power supply. ) Biotech.	7190/-
RI -23C	For measuring of luminescence intencity. Biotech
	(1) Photomulitmeter tube - 931 A Biotech	13195/-
	(2) PMT housing with basing circuit Biotech	3750/-
	(3) EHT power supply, model EHT-11 Biotech	8760/-
	(4) Digital nanoammeter, model DNM - 121 complete in all respect Biotech.	8820/-
RI -24	Apparatus for the measurement of susceptibility of paramagnetic solution by quinck's tube method. The apparatus consists of Biotech	61320/-
RI -24A	Quinck's tube with stand Biotech	660/-
RI -24B	(b) Sample : eCl3 Biotech	255/-
RI -24C	(c) Travelling microscope. TVM --02 Biotech	5640/-
RI -24D	(d) Electromagnet model EMU - 75 T Biotech	35625/-
RI -24E	(e) Constant current power supplly. DPS - 175.. Biotech	12375/-
RI -24F	(f) Digital gaussmeter Model DGM-102. complete in all respect. Biotech.	10080/-
RI -25	Hall Effect experiment. Biotech	49200/-
	(a) Hall probe ( ge-crystal-p type) Biotech	1200/-
	(b) Hall probe stand (wooden)	120/-
	(c) Hall effect set up. Model DHE -21. Biotech	5400/-
	(d) Elcetro-magnet with power supply. specially designed for above experiment Bioech	35625/-
	(e) Digital Gaussmeter. Model DGM - 102, complete in all respect Biotech	12375/-
RI -26	Dependence of hall coefficient on temprature the set-up consists of following units. Biotech.	175000/-
	(a) Hall effect set-up. Model DHE - 22 Biotech	9375/-
	(b) Hall probe (Ge : P-type) with a small oven and a thermocouple Biotech	3000/-
	(c) Electromegnet. Model EMU -75V Biotech	35625/-
	(d) Constant current power supply. DPS - 175 Biotech	12375/-
	(e) Digital gaussmeter. Model DGM - 102. complete in all respect Biotech	10080/-
RI -27	Magnetic Hysteresis loop tracer. complete in all respect. CRO. Biotech	21600/-
RI -28	Study of the energy band gap and diffusion of P-N junctions. complete in all respect. except a CRO Biotech.	56000/-
RI -29	Study of diode characterstic. SDC -01 Study of SI. Ge LED & Zener Diodes. Direct measurement of voltage & current ( 100 nA to 20 mA) and provision for direct display of diode characterstics on CRO. complete in all respect except a CRO Biotech.	5160/-
RI -30	Study of transistor amplifier (RC coupled). cum feed back amplifier Biotech	1680/-
	Accessories required biotech	15420/-
	(a) Function generator model FG-01 biotech	8820/-
	(b) True RMS A.C. Milivoltmeter model ACM-102, biotech	6720/-
RI -31	Study of multivibrators complete in all respect. except a CRO Biotech.	1980/-
RI -32	Study of characterstics of semiconductors diodes. Si, Ge, Zener & LED complete in all respects. Biotech	4000/-
RI -33	Study of hybrid parameters of a transistors. Biotech accessories required.	1680/-
	(a) True RMS A.C. millivoltmeter and 1 KHz oscillator Biotech	6960/-
RI -34	Study of power supply (solid state). Biotech ( accessories required. Multimeter and CRO)	1680/-
RI -35	Study of modulation & demodulation with built in carrier frequency (solid state ) Biotech [Accessories : required : (i) function generator and CRO ]	1980/-
RI -36	Study of a basic operational amplifier type - 741. Biotech [Accessories : required : (i) function generator ]	3420/-
RI -37	Study of OP amp. 741, applications complete. including signal generator. regulated power supplies multiranges digital voltmeter and patch chords Biotech [ Accessories required in some experiments : CRO]	4920/-
RI -38	Study of astable & monostable multivibrators using timer IC. Type-555 complete in all respect. including power supply and a trigger Biotech. [Accessories required : a CRO ]	2910/-
RI -39	Study of an integrated circuit regulator type 723 complete in all respect. including unregulated power supply a voltmeter. an ammeter variable load resistance and patch cords. Biotech	3120/-
RI -40	A.C. milli/micro voltmeter type -401	8320/-
RI -42	Digital multimeter (3 & 1/2 Digits) type - 435	9505/-
RI -43	True RMS digital multimeter (3 & 1.2 digits) type - 437 T	10056/-
RI -44	Transistored power supply (0-30 V. 0-2 Amp. variable) type - 613	7525/-
RI -45	Digital dual channel power supply (0-30 V, 0-2 Amp. variable) type 615 D	11685/-
RI -46	Digital LCR meter type - 925	12276/-
RI -47	Function generator 1 MHz type - 1012	9150/-
RI -48	Function generator 1 MHz (digital readout) type - 1013	9800/-
RI -50	Function generator 20 MHz (digital readout) with 100 Khz Aux. Gen. type - 1016	37755/-
RI -51	Function generator (10 MHz) with frequency counter (100 MHz digital readout ) type - 1023	37755/-
RI -52	Single pulse generator (10 MHz) with dual ( +ve & -ve) O/p type - 1130	12145/-
RI -53	Function generator (3 MHz) with frequency counter ( 10 MHz-digital readout) type 3001	15840/-
RI -54	Function generator (3MHz digital readout) type - 3003	11616/-
RI -61	CRO 30 MHz dual trace with component teaster type - 4030	23760/-
RI -62	CRO 15 MHz power scope. dual trace type - 522	31416/-
RI -63	CRO 60 MHz dual trance type -561	54516/-
RI -64	CRO different module type - 5p22	9768/-
BEP200	MONOSTABLE MULTIVIBRATOR USING IC555. “Biotech”.	2300/-
BEP201	ASTABLE MULTIVIBRATOR USING IC555. “Biotech”.	2300/-
BEP202	ASTABLE MULTIVIBRATOR USING TRANSISTORS. “Biotech”.	4200/-
BEP203	BISTABLE MULTIVIBRATOR USING IC555. “Biotech”.	2300/-
BEP204	BISTABLE MULTIVIBRATOR USING TRANSISTORS. “Biotech”.	4200/-
BEP205	MONOSTABLE & FREE RUNNING MULTIVIBRATOR USING IC555. “Biotech”.	6200/-
BEP206	ASTABLE, MONOSTABLE & FREE RUNNING MULTIVIBRATOR USING TRANSISTORS. “Biotech”.	6900/-

Physics Charts Polyvision

Product Code	Product Name & Description	Price (Rs.)
P1	Inter converstion of Energy forms	405/-
P2	Sound spectra	489/-
P3	Meter Principles Part - 1	489/-
P4	Meter Principles Part - 2	489/-
P5	Semi-conductor fundamentals Part-1	489/-
P6	Semi-conductor fundamentals Part-2	489/-
P7	Transistor Characterstics	489/-
P8	Electronic Symbols Part - 1	405/-
P9	Electronic Symbols Part - 2	489/-
P10	Nuclear radiation detectors Part-1	405/-
P11	Nuclear radiation detectors Part-2	489/-
P12	Line spectra of some elements	489/-
P13	Crystal structure - types	489/-
P14	Particle accelerators- Cyclotron	405/-
P15	Triode chracterstics- static	405/-
P16	Velocity of light (Focault's rotating mirror method)	489/-
P17	Atomic reactor	489/-
P18	Cathode ray oscilloscope	489/-
P19	8085 - Instruction Set	489/-
P20	Light - Refraction	489/-
P21	Light - Reflection	489/-
P22	Light - Dispersion	489/-
P23	Light - Diffraction	489/-
P24	Light - Interference	489/-
P25	Light - Polarisation	489/-
P26	Lenses - Images	489/-
P27	Telescope	405/-
P28	Lasers	489/-
P29	Magnets & Magnetics Properties	489/-
P30	Transformers	489/-
P31	Dynamos	405/-
P32	Kirchoff's Laws-wheatstone & Metre Bridges	405/-
P33	Dimensional Formulae	405/-
P34	N.Type P. Type crystals	489/-
P35	Surface tension & capillarity	489/-
P36	Levers & Pulleys	489/-
P37	Images of lenses & mirrors	489/-
P38	Electromagnetic Induction	489/-
P39	Rectifiers	405/-
P40	Filters	489/-
P41	Multivibrators	405/-
P42	Logic gates	489/-
P43	Oscillators	405/-
P44	Telephone	489/-
P45	Televisio	489/-
P46	Photographic Camera	489/-
P47	8085-Functional Block Diagram	489/-
P48	Electrolysis	489/-
P49	Electro Magnetic	489/-
P50	Ohm's Law-Electric Circults	405/-
P51	Computer	489/-
P52	Common Pumps : force cycle vacuum & siphon	489/-
P53	Newton's Laws of motion	489/-
P54	Calorimetry	489/-
P55	Amplifiers : single stage	405/-
P56	Amplifiers : Multi stages	405/-
P57	Amplifiers : Feef back	489/-
P58	Verniers,screw gauge &spherometer-	489/-
P59	Satellite Communication	489/-
P60	Boyle's Law	489/-
P61	Determination of focal lengths in Lenses & Mirros	405/-
P62	Velocity of Sound	489/-
P63	Radar	489/-
P64	Fax and Xerox	489/-
P65	8086 : Functional block diagram	489/-
P66	Thermo :Baro, Hydro&Manometers	489/-
P67	Development stages of satellite	489/-
P68	Nuclear power plant	489/-
P69	Charles law	489/-
E11	Refrigerator & Operation	489/-
E12	Refrigerator principles	489/-
E21	Communication systems-I	405/-
E22	Communication systems-II	489/-
E23	Communication systems-III	405/-
E24	Industrial Electronics - I	489/-
E25	Industrial Electronics - II	405/-
E26	Industrial Electronics - III	489/-
E27	Interfacing Peripherals - I	489/-
E28	Interfacing Peripherals - II	489/-
E29	Interfacing Peripherals - III	405/-

Portraits of Great Personalities

GREAT SCIENTISTS Matt Canvas Laminated On 8 mm ( NUWOOD BOARD ) Size : 31 X 43 CMS Price: Approx Rs. 390 Each

PORTRAIT Code	PORTRAIT Name
GS21P	Galileo Galilee
GS22P	Sir lsaac Newton
GS23P	Sir C.V. Raman
GS24P	Dr. H.J. Bhabha
GS25P	Archimedes
GS26P	Albert Einstein
GS27P	Thomas Alva Edison
GS28P	Robert Boyle
GS29P	Marie Curie
GS30P	Michael Faraday
GS31P	John Dalton
GS32P	Dr. P.C. Ray
GS33P	Dr. H.G. Khorana
GS34P	Dr. S.S. Bhatnagar
GS35P	S. Ramanujan
GS36P	Antoine Laurent Lavoisier
GS37P	William Ramsay
GS38P	Humphy Davy
GS39P	August Weismann
GS40P	Joseph Priestley
GS41P	Aristotle
GS42P	Dmitri I. Mendeleef
GS43P	Burbank Luther
GS44P	S.N. Bose
GS45P	M.N. Saha
GS46P	K.S. Krishnan
GS47P	K.N. Bahi
GS48P	J.J. Thomson
GS49P	Neils Bohar
GS50P	Gilbert NewtonLewis
GS51P	A.P.J. Abdul Kalam
GS52P	Dr. Vikram Sarabhai
GS53P	Aryabhata
GS54P	Dr. s.s. joshi
GS55P	sir alexander flaming
GS56P	dr. mata prashad
GS57P	benjamin franklin
GS58P	ernest rutherford
GS59P	dr. raj ramanna
GS60P	nicholas copernicus
GS61P	Alessandro volta
GS62P	alfred nobel
GS63P	anton henry bekuerel
GS64P	-atovan gerok
GS65P	benjemin thomsPon
GS66P	crick
GS67P	watson
GS68P	edward victor aplaton
GS69P	james clark maxweLl
GS70P	jessek luious gelusale
GS71P	jonhs kepeler
GS72P	kalpana chawla
GS73P	max plank
GS74P	panchanan maheshwari
GS75P	varah mihir

Weather Instruments

Product Code	Product Name & Description	Price (Rs.)
WC 1	Robinson cup Anemometer complete Biotech	4800/-
WC -2	Anemometer hand held made in germany/taiwan/china	7200/-
WC -3	Meteorological outfit portable complete Biotech	2500/-
WC -4	Rain gauge - Automatic bucket type tilting type	3200/-
WC-5	Rain Gauge - Automatic dial type with brass receive	1800/-
WC -6	Rain gauge recording type - complete with revolving drum & graphs etc. as per IMD specificaton	8200/-
WC -7	Wind wane - all metallic 40" height complete	1500/-
WC -8	Stevenson meteorological screen 54x 43x 20 cm	7500/-
WC -9	Stand for above MAE of iron	2000/-
WC -10	Portable weather/meeorological station imported digital display with built in anemometer to show wind velocity. rain gauge to measure rain fall. snow gauge to measure snowfall instructional manual	11500/-
WC -11	Altimeter Japan 5000M	4000/-

Globes

Product Code	Product Name & Description	Price (Rs.)
GM -4	Laminated 30 cms diameter	420/-
	20 cms diameter	220/-
	12 cms diameter (English or Hindi Only)	110/-
G-5	Deluxe-Imported with light 2 IN 1, Political & Physical
	30 cms diameter	3600/-
	20 cms diameter	2400/-

Rollup Black Boards

Product Code	Product Name & Description	Price (Rs.)
RB -1	Plain roll up black boards
	Size 50 x 67 cms	75/-
	Size 67 x 100 cms	110/-
	Size 100 x 135 cms	170/-
RB -2	Graph Roll Up Black Boards
	1 cm Square 67x 100 cms	120/-
	100 x 135 cms	180/-
	2 cm Square 67 x 100 cms	120/-
	100 x 135 cms	180/-

ASTRONOMICAL TELESCOPE IMPORTED

BAT-1	Astronomical Telescope 345x Telescope : Objectives lens dia 50 mm, focal length 600 mm, Eyepiece 4 mm, 12mm, 20mm, barlow lens 2.3x finderscope 6x25mm, Diagonal viewer ,89cm, (35") aluminium tripod, space map & Instruction Manual.	11820/-
BAT-2	Astronomical Telescope 345x Telescope :Objective lens dia 70mm, focal length 700mm, 31.7mm Eyepiece 4mm, 9mm, 12.5mm, 20mm, barlow lens 3x, Erecting Eyepiece 1.5x, finderscope 6 x 25mm, Diagonal viewer, precision control system 1) platform looking lever (release telescope bofy for hand carrying. 2) pan-handle (control thvertical movement of telescope body with locking system). 3) Planning Lock nut (control rotation movement of telescope body with locking system). 4) Arm guide lock, Accessory tray, Space map & Instruction manual 122cm aluminium tripod.	15950/-
BAT-3	Terrestrial/Astronomical Telescope : panaview sky series (T70060) right angled viewing for astronomical observation, 60 mm objective, 2.5x, 15x, 17x, 45x, 75x, star finder scope, 225x50 mm interchangeable eyepiece. Terrestrial Eyepiece for ground observation and robust full height retractable tripod.	9650/-

Global Positioning System (GPS)

Product Code	Product Name & Description	Price (Rs.)
BAT -4	Ertex Euro "H" Way Points/Icons : 500 Tracks : 10 saved tracks Route : 20/125 way points Display : 4 lavel gray LCD Battery Life : 22 hours Waterproof : IPx7 submersible Temp. Range : -15 oc to 70 oc	21500/-
BAT -5	GPS "72" H Way Points/Icons : 500 Tracks : 10 saved tracks Route : 50 way points Display : 4 lavel gray FSTN Battery Life : 16 hours Waterproof : IPx7 submersible Temp. Range : -15 oc to 70 oc	27500/-

Drawing Models

Product Name & Description	Price (Rs.)
Multicoloured Drawing Model Wooden - Set of 12 size - 15x30 cm	3600/-
-do- Size - 10x15 cm	1800/-
-do- Mode of fibre glass - set of 12	6000/-