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Acrylic Block, Rectangular Clear acrylic all faces fully polished. Size 75x50x18 mm. Size 100x65x18 mm. Size 115x65x18 mm. Size 125x65x18 mm. Aepinus Condenser It consists of two adjustable plates 100mm. dia. insulated handle and a glass dielectric plate. Analog Lab Trainer (bread Board Model) 1. Advanced lab trainer for students to perform more than 50 experiments of analog electronics Anemometer, Cup Counter As Per Iso The instrument has a cup wheel consisting of three conical cups in a horizontal plane. The cup wheel spindle is of stainless steel and connected worm gearing to a revolution counter mounted in a water proof housing. By observing the counter reading at the beginning and end of any period of interest the average wind speed during the interval can be calculated. The counter observing window is sloped to permit easy reading when mounted on the mast Apparatus To Show On Conductor In A Magnetic Field Comprising a strong U-shaped magnet and a pair of brass rails with 4 mm socket terminals. A brass axle with plastic discs is free to roll along the rails and completes the electrical contact between them. When the axle is placed on the rails between the poles of the magnets, and power supply unit is connected, the axle is repelled and rolls along the rails away from the center of magnetic field. Dimensions 175x60x58 mm. Archimedes Principle Kit Product description: To explain and calculate Archimedes principle. A complete self contained kit for exploring the concepts related to Archimedes principle, both qualitatively and quantitatively. Consists of a metal regular shaped solid, irregular shaped solid, beaker to collect displacement liquid, beaker. Newton meter, displacement vessel. Audio Oscillator
Auto Transformer Continuously variable voltage autotransformer, protected type. Comprises a tordially wound transformer with a continuously variable output voltage 0-260 volts A.C. steplessly under full load. Input 220-240 Volts A.C. 50 Hz. In stout metal case mounted on a metal base with two output terminals. Single phase with mains cable. Baby Weighing Balance A single beam scale, robust steel body with epoxy powder coated parts. The beam carries a sliding weight to indicate the weight from 0 to 5kg in divisions of 20 grams each. One hanger and one slotted mass is provided to increase the capacity of the balance. When only the hanger is suspended from the end of the beam the capacity increases to 10 kg and the reading starts from 5 kg onwards on the scale up to 10 kg. On adding the slotted mass on to the hanger the capacity increases to 15 kg and the reading starts from 10 kg onwards on the scale up to 15 kg. The tray is detachable and can be easily replaced in position by sliding on to fixed plate. Second scale is provided which reads 0 to 1 kg in division of 10 gms. Making the total capacity of balance 16 kg in to 10 gms Balance Basic general purpose balance for students. The hangers have double hooks for specific gravity experiments, and pans are detachable. The balance is finished in black colour with chrome plated fittings and mounted on polished wooden base with leveling screws Balance Lever A direct reading, single pan balance with its scale in the form of a quadrant. The arc scale is graduated in dual ranges of 0-250x 1 gm and 0-1000x5gm which can be set using the weight arm provided. Cast aluminium frame with all steel parts chrome plated. Levelling screw for zero adjustment. Balance Lever, Single range Balance Spring Polystyrene bodies with large, easily read flat scales, zero adjustable device having anodized metal scale is provided.
Balance Spring Dial type, circular scale, 6 inches with suspension and load hooks, with zero adjuster.
Balance Weights Polished brass, supplied with wooden block, as illustrated. B. Capacity 1000 gm. Comprising 1x500 gm, 1x200 gm, 2x100 gm, 1x50 gm, 1x20 gm, 2x10 gm, 1x5 gm, 2x2 gm, 1x1 gm. Balance Weights Polished brass, in hardwood case with hinged lid. Divided compartment with dust cover holds nickel-silver and aluminum fractions. With chrome plated brass forceps. A Capacity 1 mg to 100gm. B Capacity 1 mg to 200gm. C Capacity 1 mg to 500gm. D Capacity 1 mg to 1000gm. E Capacity 1 mg to 2000gm. Balances Spring In graduated tubular aluminium, with zero adjustment, provided with top suspension loop and hook, with dual scale in Metric and Newton range.
Banana Plugs 4 mm. Pin, 18 mm. Long spring insert and hard plastic body. Overall length of plug 40mm. Bar And Gauge For illustrating expansion by heating and contraction by cooling comprising a mild steel bar 110x10mm (lenght), on rod with wooden handle, overall length approx. 280mm. with metal cast gauge, sliding fit over ends of bar and with hole 10mm bore in one arm. Bar Breaking Apparatus To show the forces which can be exerted during thermal expansion or contraction. Comprising a heavy cast iron frame 340x120x100mm with slotted end pillars to carry a stout iron bar. The bar is threaded at one end for a large tensioning nut and has holes at the other end to accommodate the cast iron breaking bars. Supplied complete with ten breaking bars Bar Magnets Chrome Steel, in Pairs, half Red/Blue painted with keepers. Dimensions are nominal. Size : 37x12x5 mm. 50x12x5 mm. 75x12x5 mm. 100x12x5 mm. 150x12x5 mm. Bar Magnets Dimensions are nominal. supplied in cardboard boxes. Barometer Aneroid Demonstration Wi t h 1 0 0mm d i a l graduated 28 to 31 inch of mercury and 960 to 1060 millibars. With plated bezel, cover glass and index plastic base approx. 16cm diameter. Enclosed in a transparent synthetic case for demonstration purposes. Air tight sealed all round, a pressure bulb is provided to force the movements for educative demonstration Barometer Syphon For demonstration, mercury column is feasible and scale graduated in Metric and English system. Zero point adjustment is carried by a screw clamp attached to a glass tube, complete fitted on wooden polished, supplied without mercury. Barometer, Aneroid With 100 mm dial graduated 28 to 31 inch of mercury and 960 to 1060 millibars. With plated bezel, cover glass and index plastic base approx. 16 cm. diameter Battery Multipurpose, zinc carbon, good quality, leakproof, safe recommended where the current demand are modest.
Battery Eliminator Battery Eliminator offered by us is ideally designed to be safe & reliable source of low voltage D.C., for use in class rooms. Both, Universal DC Battery Eliminator and Universal AC Battery Eliminator are available in the market. Allow teachers to conduct experiments requiring a variety of direct voltages while avoiding the decreased characteristics of dry cell. Comprising a heavy duty transformer wound with copper wire with high lamination to avoid losses, selector switch & bridge rectifiers (consists of full wave silicon diode bridge rectifier) with jewel light and safety fuse. We are also reputed amongst the dependable Drill Battery Eliminator Manufacturers, based in India.
Output 2-12 VD.C in steps of 2, 4, 6, 8, 10 & 12 Volts Bell In Belljar For use on pump plate not less than 15 cm. dia. Electric Bell operating 4-6 volts AC/DC, suspended on rubber cord in bell jar. Fine coiled wire connections to terminals mounted in rubber bung sealing the jar. Sizes : 9”x6” and 8”x4” Bell In Vaccum For use on pump plate not less than 15 cm. dia. Electric Bell operating on 4-6 volts AC/DC, suspended on rubber cord in bell jar. Fine coiled wire connections to terminals mounted in rubber bung sealing the jar. Biots Conductor To demonstrate that charge resides only on outside surfaces of a conductor. Sphere of 5 cm. diameter on insulated stand, complete with hemispherical cups, having insulated handles. SPHERICAL CONDUCTOR, CONICAL CONDUCTOR CYLINDRICAL CONDUCTOR ARE ALSO AVAILABLE Bourdon Gauge A circular gauge having overall dia of 100 mm and depth of 40 mm. The dial reads 0 to 50 Lbs / In 2 x 1 & 0 to 3.5 kg / cm 2 x 0.1 actual (total) pressure and the case has clear Perspex Braun Electroscope This rugged, sensitive electroscope can accept various accessories to change its capacitance. A sensitive aluminium vane is balanced in a vertical position on a metal support which is insulated from its base. The vane is easily observed and projected on a chalkboard (Light Source, not included) on which an arbitrary scale has been marked. Height without attachments is about 9". Four attachment, each equipped with a banana plug which fits the vane system top, are included : a 1" conducting sphere; a 3" conducting sphere; a proof plane with detachable insulating handle; and an aluminium cup (Faraday ice pail). Attachments can be charged using either our Electrophorus or our Power Supply (not included). With instructions. Bucket & Cylinder orkutFor demonstrating Archimedes principle, this is a simple form in brass, suitable for class demonstration or individual use. The bucket has suspension loop at the top and hook at the bottom. The cylinder has a suspension hook at one end. Size 6 cm long, overall length when extended 16 cm. A Bucket and Cylinder B Bucket and Cylinder Large Bulb Holders Mounted bulb holder for easy connections to electrical circuits. Overall dia. 30 mm. Bulb Holders M.e.s. Mounted bulb for easy connections to electrical circuits. Overall dia. 30 mm. Bulb Holder M.E.S. Plastic Bulb Holder M.E.S., PVC Calorimeter Polished Copper, 75x50 mm. diameter resting on felt pad inside an outer vessel, 100x75 mm. diameter. Outer vessel fitted with detachable cliptype thermometer support. Complete with stirrer. Calorimeter Copper & Aluminium wth parallel sides and rolled rim, without stirrer. Dimensions are in mm. 75x50 diameter Calorimeter Set A complete set in copper comprising : 1 inner vessel carried on cork supports; 1 outer vessel diameter 1 lid for out vessel with central tubule for thermometer and slit for 1-stirrer Calorimeter With Wooden Box Copper, 75x50 mm., height x diameter, resting on felt pad inside wooden polished box, which is provided with a brass nickle plated thermometer holder, with copper stirrer Carbon Electrodes, Mounted Newly designed holder which can hold different type of electrodes. Complete assembly can be put on the top of the vessel/jar. Catch Bucket Made of aluminium, with handle. Used for collecting the liquid overflow flowing from displacement vessel. Cathode Ray Mechanical Effect Cathode Rays exert a pushing effect on objects it falls on, is shown by the rotating vanes by the force extended by cathode rays. Cell Holders Battery Holder stackable accommodate upto 1.5V, held in spring clips 4 mm. sockets for 1.5, 3, 4.5, 6, 0 Volt tappings. Supplied without battery. Clinical Digital Thermometer Same as above, but in compact shape and size, are also available. Compass A small compass in a metal case, 45 mm. dia. marked in degree with N & S indications. Concave Mirror, Glass Optically worked, silvered back with protective coating. Concave Mirror, Glass Optically worked, silvered back with protective coating. Dia. mm Focal Length mm. 50 50 50 75 50 100 50 150 50 200 50 300 75 50 75 75 75 100 75 150 75 200 75 300 Conductivity Apparatus The apparatus consists of a fabricated transparent acrylic stand supporting three cells in the form of 50 ml glass beakers. Electrodes are suspended into the cells, each having a low voltage lamp in series to indicate the current flowing. The three cells and lamps, as a group are connected in parallel and provided with a pair of 4 mm sockets for connection to the external supply. The lamps provided will allow operation on a supply of up to 12V D.C. Dimensions are 215mmx155mmx115mm widthxdepthxheight Conductivity Apparatus Metal rods 150x3 mm. (length x dia.), one each of aluminium, brass, copper, glass and iron, embedded along one side of a metal tank size 150x90x100 mm. (length x width x height). Convex Mirror, Glass Optically worked, silvered back with protective coating.
Copper Voltmeter Consists of 3 copper plates with insulated cover and glass jar. Crocodile Clips, Standard Spring-loaded, serrated jaws, with screw to clamp end of lead held in tubular extension, both sides insulated. Length 50 mm. and jaws open 9 mm. Red Colour & Black Colour. Cubes For Density Investigation Cubes for density investigation, 20mm. Brass, Lead, Steel, Copper, Aluminium, Iron, Tin. Set of 6. Dc Regulated Power Supply (Single Output) - PR 230 (0-30V / 2A), PR 231 (0-30V / 5A) - High accuracy, high stability - Overload & short circuit protection - Allow full scale long time operation - Voltage and current continuously variable within nominal value - CC/CV indication Dc Regulated Power Supply (single Output) PR 230 (0-30V / 2A), PR 231 (0-30V / 5A) - High accuracy, high stability - Overload & short circuit protection - Allow full scale long time operation - Voltage and current continuously variable withinnominal value - CC/CV indication Decade Capacitance Box High quality standard laboratory tool to fulfill the requirement of different values of standard capacitance. Each dial consisting of 10 steps. Decade Resistance Box This decade resistance substitution box provides 4 decade ranges from 0 to 11110W with a resolution of 1W. Each decade is selected by a rotary switch. Tapping points are provided across each range to allow the unit to be used as an accurate potential divider. All resistance values are + 2% with a rating of 0.25 W maximum per range. Decade Resistance Box A model of the simplest form of D.C. electric motor, having 2-pole armature wound with enamelled copper wire, and a permanent magnetic field provided by a removable bar magnet. A disc-type commutator is incorporated and external connection to the phosphorbronze bushes is by means of a pair of 4 mm. sockets. The motor will operates on 6-8 Volts D.C. Demonstration Dynamo This model uses the same basic assembly as the motor, but is mounted on a baseplate 230 x 90 mm. approx. which also carries a hand-drive pulley 120mm. diameter coupled to the smaller dynamo pulley by a rubber belt to give a step-up ration. Electrical output is via a pair of 4mm. sockets. The model may also be used as a motor on a 6-8 V D.C. supply. Demonstration Gear System Model A series of models to demonstrate different gearing systems. With transparent slideplates, the gears may easily be seen and where necessary there is an index on the primary and secondary shafts to show the change in the direction of rotation and the relative speed of rotation. A simple three-speed and reverse-gear system using spur gears. Reverse gear is obtained by interposing a small lay-shaft mounted pinion between the two main shafts. Gear selection is by means of a short ball-ended lever. Demonstration Induction Coil With primary of heavy gauge enamelled copper wire, approximate resistance 0.5 ohms wound on former 110x30 mm. length x diameter. Secondary coil of fine enamelled copper wire, approximately resistance 100 ohms on former 120 x 82 mm. length x diameter. Both coils fitted with 4 mm. sockets. Iron core 160x15 mm. length x diameter. Demonstration Meter Inter Scale Housed in a ABS plastic case 300x150x300 mm with glass front and rear. Moving coil type with accuracy of + 2.5%. Basic sensitivity of meter is 5 mA, 100mV f.s.d. The meter can be used to demonstrate the working principle of AC or DC ammeters or voltmeters with the interchangeable plastic scales. DIFFERENT DIALS ARE AVAILABLE. Demountable Transformer A large-scale transformer, ideal for classroom. The coils are fitted with intermediary outputs providing many transformation ratios. Moreover, one of them has a mains cable so that you do not required an external power supply unit. Consisting of : A I magnetic circuit made up of highly permeable U-shaped metal sheeting, which can be closed via two clamps with tightening screws. B Section 40x40mm. length 150mm-Height 170mm. C One coil of 6000turns, 350 ohms, 1 Max: 0.2A. Intermediary 2000 turns output used. D One coil of 600 turns, I max. 2.5A. Mainly to create the transformer primary. Provided with power supply cable. E One coil of 1200 turns, 12.5 ohms, I max: 1.25A fitted with intermediary 400 and 800 turns outputs. F One coil of 72 turns I max: 12A, has intermediary 6,30 54 and 66 turns outputs. Any other coil of different turns available on request. Dial Type Room Thermometers Marked both in Fahrenheit and Centigrade Plastic Base Mounted Available in Dia 50mm & 100 mm. Metal Base Mounted Available in Dia 100 mm. Digital Electronic Circuit Trainer (Bread Board Model) 1. Basic trainer for students to perform more than 15 basic experiment of operational amplifier. 2. Glass Epoxy PCB used as front panel of 300mmx220 & mounted on light weight shock proof plastic cabinet. 3. On board power supplies, function generator & Bread Board mounted. 4. Supplied with set of components & connecting wire. Digital Multimeter Model
Digital Stop Clock Timer, showing normal time, hours, minutes, seconds. Days, dates, months are displayed, 1/100th second. With alarm. Digital Thermomter Digital thermometer resolution 0, 1 °C; range –50 to 150°C supplied with a temperature probe with cable for digital thermometer support to 150°C Dip Circle The case is made of aluminium, strongly mangetised cobalt steel needle fitted with imported hard axle rolls on knife edges agates and can be clamped when desired by a V clamp, a sensitive spirit level is provided. The tripod stand is provided with three levelling screws. Direct Vision Spectroscope ADV-1 A complete and light weight direct vision spectroscope without wavelength scale, for observing visible radiations from 400 to 750 mm. ADV-2 A compact visible spectroscope with wavelength scale which allows the direct reading of spectral length and employs a prism for dispersion. It is also useful for flame test of basic radicals (sodium, strontium, potassium, copper etc.) There is a single eyepiece and independent focussing tube for the graticule, which carries an index at 590mm. with "D", marked right below the scale, (corresponding to the wave length of sodium light) can be calibrated to a known light source by adjustment of knurled screw. The amount of light admitted to the spectroscope can be regulated by a variable slit, adjusted by a knurled ring round the rating tube. Discharger Jointed, small plated brass sphered mounted on curved arms, with ebonite insulating handle. Overall length 30 cm. approx. Discrete Component Trainer (With Regulated Power Supply) Lucidly illustrated User's manual unravels analog electronics concepts through brief theoretical reviews followed by experiments, self test questions and exercises. Modularly designed patch panel contains all commonly used discrete components. FEATURES : It consists of following a) Power Supply of +5V, +12V, -12V each of 250 mA (nominal) b) Silicon, Germanium diodes, Zeners c) PNP & NPN Transistors, FET d) One speaker f) 12 different values of carbon film resistances & they are of ¼w, ½w & 1 Watt. g) 12 assorted values of capacitors from 100 PF to 100 mF. h) Integrated Circuits (IC's), Thermistor i) LED, LDR, Photo diode, solar cell j) Logic switches & LED indicators etc. Displacement Vessel Metal, size 115mm x90 mm (HxD) with spout for specific gravity experiments. Also available following two sizes : 100mm x 50mm 225mmx125mm Displacement Vessel Aluminium, seamless constructions. This is used for experiments involving volumetric displacement of liquids. Drinking Bird A classic toy that is really a heat engine. The bird operates because evaporation is a cooling process. After placing bird in motion, it will continue to drink as long as there is water in the cup and the room temperature is above 65°F. Electric Bell With detachable ‘snap-on bakelite cover, metal thread terminals, silver contacts. Dome gang dia. 75 mm. approx. For use on 3 to 4.5 V AC/DC supplies. Electric Blower The blower is supplied with the standard hose, length 2m, and the integral 2-core mains cable, length 5m. The cylinder has a completely insulated outer case rendering an earth connection unnecessary. Electromagnet Lifting type. Built with a coil of 300 turns of insulated copper wire. Operates on 6-12 volts and will easily lift 15 kg. when energised by a current of 6-8 amperes. Complete with disc armature. Electromagnetism Coil Output variable from 100V to 5KV DC at 50 A, 6.3V AC at 2A, separate earthing terminal. Electrostatic Kit Comprises of 1 electroscope, 4 metallised polystyrene spheres, 1 each reel nylon, cellulose acetate strip, polythene strip, wire stirrup, rubber cloth , wire hook , electrophorus on handle and proof plane, 2 each of polythene tiles and aluminium cans. Expansion Apparatus Comprising two cast-iron uprights, height 18 cm. linked by two nickel plated rods supporting on expansion bar, length 38 cm. fixed to one upright and resting on a friction pointer placed at the other. With scale reading 0 to 90 deg. With one each aluminium, brass and iron expansion bars. Expansion Of Liquids Apparatus For demonstrating the different thermal expansions of various liquids.Comprising five bulb tubes mounted in a frame and supported in a water trough. The frame has a special sliding arrangement with clips hold glass bulbs with tubes. The bulbs can be easily removed and fixed and have a funnel formation on top for easy filling. Falling Bodies Apparatus L-Section launcher with holes for locating two 19mm. diameter steel balls which act as projectiles. Launcher is released by push button and projects one ball forward while allowing the other to fall freely Launching mechanism mounted on wooden block, 180x60x30mm. which may be clamped by bench and has a convenient storage pocket for the balls. Complete with two steel balls. Fluid Pressure Apparatus Demonstrates the phenomenon of transmissibility of fluid pressure. For the same force exerted, pressure is inversely proportional to the surface area. The apparatus comprises of the plated brass cylindrical tubes of different diameters, each fitted with piston and connected to each other through a brass tube at their bottom. Pistons have circular disc at the top for loading masses (masses not included). Complete apparatus mounted on a wooden base. Fly Wheel About 20 cm. in dia. and 45 mm. wide turned and carefully balanced, mounted on a horizontal shaft, held in ball bearings. The wheel is marked and pointer is fixed to the bracket. The bracket has four holes and can be fixed to the wall. Force Pump On Stand Approx. overall height x weight (400x150mm). Made of corning glass. Force Table To verify the law of composition and resolution of forces consisting of a aluminium table 40cm in dia. its raised rim has a engine divided scale, graduated in 360° mounted on heavy vertical support rod & tripod base provided with leveling screws. Body under study in a ring in center of the table fastened by cords passing over four pulleys attached with the table. Complete with four pulleys, four weights hangers twelve we i g h t s ( 2 x 1 0 gm, 2 x 2 0 gm, 4 x 5 0 gm, 4x100 gm.) Four Stroke Petrol Engine Model Represents internal structure and operating principles of an air cooled two-stroke engine. All parts in aluminium alloy. Ignition is shown by means of a miniature bulb. Carburetter and fuel supply also sectioned. Mounted on base, with printed diagram showing working. Two-Stroke Petrol Engine Four-Stroke Petrol Engine are also available. Four-stroke Diesel Engine Models A model of four stroke water -cooled diesel engine. This is of the chain-driven overhead camshaft type and all functional components like camshaft, rock-arms, tappets etc. are clearly demonstrated. The functioning of fuel injection system is also represented. Ignition is shown by means of a miniature bulb, Mounted on base. Function Generator The Function Generator is capable of Providing SINE, SQUARE, TRIANGLE. Low Distortion Function Generator has linear Frequency Scale very low Distortion and constant signal amplitude with the output Signal Symmetry about Zero. The DC coupled output provides square wave without any appreciable Sag at low frequency. It has maximum 20 VP/P amplitude. The output is protected against short circuit. It has a offset control provided to shift the base line of signal by ± 10 volts. The continuously variable DC offset control further enhances the versatility of the instrument. The equipment is used in Audio Electronics and other Laboratory & Research Work. Moreover, we are looked upon as one of the major Portable Function Generator Manufacturers & Exporters in India Function Generator Function generator offers excellent waves shape, signal linearity, waveform symmetry and frequency range from 1Hz-100 KHz. Selection of sine, square and triangle wave and amplitude variable from 0 to 10 V The instrument is designed using easy obtainable parts which present trouble free service. Specifications: Frequency rang 1Hz-100 KHz in 5 steps Functions sine, square and triangle Frequency Indication dial Accuracy better than +- 5% Amplitude up to 10V P-P open circuit Output impedance 600 ohms Galvanometer Product description: Moving coil D.C. only, with 4 mm. terminals. 1-0-1 mA. 35-0-35 mV. 3.5-0-3.5 mA. 30-0-30 Sensivity 20 mA / Div. are also available. Gas Turbine / Turbojet Engine The cut section is constructed model is of light and strong metal showing air intake, axial flow, double stage compressor, fuel supply, combustion chamber, turbine rotor, jet thrust, exhaust etc. Complete on base. Geometrical Shapes Set of geometrical shapes, each of circle, triangle, semi-circle, squares and rectangular. Available in Plastic or Wooden. Glass Slabs Clear glass with ground ends and optically worked faces. Gold Leaf Electroscope A plated brass pillar mounted on bakelite base supporting two pith balls in unspun silk. Guinea And Feather Apparatus Unevaluated glass tube 50 cms. long, 16mm dia. Made from hard glass, with two rubber bungs, one carrying brass and 40 cm. long pressure rubber tubing to connect to vaccum pump. Gyroscope The brass wheel is 7.5 cm. in dia. 3 cm. at its rim, carefully balanced and all three pairs of p i v o t s a r e a d j u s t a b l e . Complete fitted on stand. Hair Hygrometer For measuring of relative humidity in air 0-100x 1% r.h. In metal case. Hand Magnifier A high quality X30 magnification instrument with builtin illumination and a retractable condenser / daylight filter slide. Accurate focusing is facilitated by the provision of a rotary control. supplied complete with lens - ended bulb and protective case but without batteries. Heater Immersion Heater Immersion with lid as shown in the picture. Two different colour coded sockets are mounted on a lid. This is an improved model. Horseshoe Magnets Chrome steel, with keepers, dimensions are nominal. Size : 50x12x5 mm. 75x12x5 mm. 100x12x5 mm. 150x12x5 mm. Hydrometers For specific gravity, shot loaded, subdivided in 0.002mm. Overall length approx. 250mm. Range 0.80mm to 1.00mm adjusted for low surface tension, others adjusted for medium surface tension. Induction Coil Adjustable vibrating arm, with tungsten contacts and coil with core mounted on rigid wooden base. Baised off switch to prevent continuous running. Input voltage 6V D.C. at 2A via 4 mm. socket terminals. Spark length obtainable in air 5 mm Intermediate Spectrometer This is a robust instrument designed specifically for student use which is capable of very high performance. The main structure is of heavy cast metal, with bright plated fittings. Scale : The 150 mm. diameter circle with protective shield is fixed to the telescope movement and the table is attached to the double ended vernier which reads to 1 minute of arc. Both telescope and table rotation fine adjustment screws, and release of a clamping screws enables adjustment of both movements to be made by hand. Collimator : Mounted on fixed and fitted with 178 mm. focus achromatic objectives, 25 mm. clear aperture. Also fitted is a unilaterally adjustable slit, 7 mm. long. Telescope : Mounted on moveable pillar and fitted with 178 mm. Focus achromatic objective, 25 mm. clear aperture. Also fitted is a 8x Ramsden eyepiece and a glass crossline graticule. Both the telescope and collimator have rack and pinion focussing. Means are provided for levelling the axis of both optical units and for squaring them to axis of rotation. Prism Table : The table is marked with lines to assist placing the prism with respect to the table levelling screws. Jockey For Wheatstone bridge and potentiometer work, with insulated handle, plated brass contact, and a plated brass terminal with 4 mm. socket. Overall length 100 mm. Kinetic Theory Model For simulated molecular activity in gases. To understand and study motion and behavior of molecules in gases. An electric motor, running at 4 to 12 V DC vibrates a small platform inside a transparent tube so that a set of many small stainless steel balls is vibrated violently inside the tube. An increase in the violence of vibration simulates an increase in gas temperature and an increase in the weight of the 'float' simulates an increase in gas pressure. Supplied with balls and 2 'floats'. LIne Shaft Unit For showing the conversion from electrical energy via mechanical, to potential energy by winding up a weight on a cord. One end of the 6mm. steel shaft carries an aluminium 'V' pulley 56 mm. diameter, and the other end is fitted with a cord anchoring collar. Supplied complete with driving belt. Laboratory Timer This is a versatile timer quartz crystal controlled for very high accuracy, which can be used for conducting experiments related to timing and motion with high accuracy. Can be used for G by free fall liner air tracks, dynamic trolleys etc. This timer has an in built power supply for the coil for G by free fall apparatus and lamps for photo gates. Range : 0.001, 0.01, 0.1 Sec. The above timer has a built in power source for photo gates and the coil for 'G' by free fall apparatus. Lamp And Stand Comprising a 12 volt, 24 watts lamp in a conical lamp house mounted on an adjustable boss. The lamphouse has cut-outs on its side, giving a clear passage for the light while restricting the amount of stray illumination. The assembly is supported on a rod with a triangular cast base. Latent Heat Of Steam Apparatus The apparatus comprises a thick brass calorimeter approximately 90x65 mm. diameter, a bung with steam inlet and outlet tubes, a felt cover, and a 1100 cm3 tinplate boiler with bung to take the steam tube which a connects to the calorimeter. Lens Holder Wooden, to take lenses or mirrors up to 76mm diameter. Comprising an upright 100mm high, with a V shape slot to hold a convex or concave lens, mounted on a rectangular base 100x50mm. An index mark is engraved on each end of the base. A. Lens Holder : Comprising metal holder with sides grooved to hold lens or mirror of 50mm diameter. B. Lens Holder : Round made of unbreakable PVC material, to take lens or mirror of 50mm diameter. C. Lens Holder : Cast light metal, for lenses upto 25mm to 63mm diameter, with V-arms mounted on stem 9.5mm diameter. D. Lens Holder : Spring pattern, to hold lens or mirror of 50mm diameter, V-groove in centre o f holder. Mounted on 6mm metal rod which fits into standard optical bench mounts and stands. Supplied with bakelite base. Lens Holder, Adjustable V-section with hinged arms to take any lens. Lever Apparatus Product description: Consisting of a graduated meter, rule figured 50-0-50 fitted into a grooved stand with two hangers of 50 gms. each. Lift Pump Height 355mm approx. Made of corning Glass Linear Expansion Apparatus Consisting of a metal rod, 500mm in length and 4.5mm diameter, enclosed in a well lagged, nickle plated brass tube with three tubules for steam, inlet, outlet and thermometer. The metal rod to be studied is supported in the steam jacket by detachable conical cups situated at each end of the tube. The apparatus is carried on a heavy gauge channel base, at one end of which is an adjusting screw. At the opposite end is a micrometer screw reading to 0.01mm for measuring the expansion. Supplied complete with copper, brass & iron rods but without thermometer. Linear Ic Trainer 1. DC regulated power supplies Fix +- 12V/250mA, Variable 0 to +- 5 V/250mA 2. Sine wave oscillator of 1 KHz at 0.5 V p-p is built in 3. Functional diagram of IC 741 with input point is printed on board. Additional 8 pin IC base with machine pins is provided for putting any other IC of choice 4. Digital voltmeter 0-20 V DC 1 no 3.1/2 digit, LCD display, mains operated. 5. Assorted values of resistance 11No. 100, K, 3.3 K, 5K, 10K, 22K & 100 K ohms 6. Assorted value of capacitances 3 No 0.1, 1, & 10 uF 7. potentiometer 10 K ohm, Linear V 1 No 8. 2mm inter-connection leads 10 No 9. Toggle switch with selection of input or output V is provided. 10. Comprehensive USERS manual for performing 10 experiments on OP-AMP. Liquid Level Apparatus To show that the level of liquid in communicating vessels is constant irrespective of the size or shape of the vessels. The apparatus comprises four glass tubes of different shapes and cross sectional area projecting vertically from a common horizontal tube. The tubes are mounted on a polished wooden base. Low Voltage Power Supply Ac/dc Analog voltage & current readout, robust transformer & highly stablized circuitry. Magnetic Needles Carbon steel with brass cup bearing for pivoting.
Magnetometer Comprising a stout metal box, 100mm. diameter, with aluminium dial graduated in degrees 0-90 four times, anti-parallex mirror slot. Magnifier Fitted in plastic frame, superior quality. Magnifier In metal frame and handle, chrome plated, packed in cardboard box.
Manometer For use at moderate pressures, fabricated from glass tubing 6mm bore, 8mm outside diameter. Glass manometer with built-in stopcock mounted on back plate. The apparatus is open at both ends and is supplied unfilled, 250mm long, 32mm wide (75mm wide including the side arm) Meter Scale, Hardwood Horizontal reading, length one meter and width 25 mm. Double scale, one edge divided in inches and tenths and other in centimeters and millimeters also available graduated in vertical readings. Micrometer (Screw Gauge) Made of nickle plated brass, with ratchet top, accurately machined stainless steel rod, range 0-25 x 0.001 mm., supplied in plastic case. N-P-N Transistor Unit Mounted on transparent base, with 4 mm. colour coded sockets, with circuit diagram printed for demonstration. N-P-N Transistor Unit P-N-P Transistor Unit Optical Bench Comprising a wooden baseboard 1.1mx115mm. with a 1m scale divided in millimeters and figured every centimeters, fixed along the front edge and complete with the following accessories: 2 White-face object & receiving screens each comprising a white card having an aperture and index, in a black metal frame 150x100mm with an index mark at the end. 1 plane mirror 150x100mm mounted on a wooden base as above. 4 Lens holders, each comprising a wooden upright with a ‘V’ shaped slot to hold lenses up to 75mm, diameter, mounted on a wooden base 100x50mm with an index line at the end. 1 Needle mounted vertically in a short wooden rod in the center of a wooden base 100x50mm. 1 candle holder. The optical center height of all the components is 100 mm above the base board. Oscilloscope - DC-60MHz - Dual channel/Dual tracing, X-Y mode - 6" display, high brightness cathode ray tube with scale illumination control. - High sensitivity triggering, up to 1mV/division - CH1 channel incremental amplification function for clearer display. - TV synchronous separation circuit to observe stable TV signal. - X-x10/Y-x5 - Polarity reversal, CH 1 Sync output. Parallelogram Of Forces Apparatus To verify the relationship between forces action at a point. Comprises board 65x50cm, with two aluminium pulleys 50mm dia., on clamp, for mounting in any position. Complete with three hangers iron nickel plated 50 gm. and 12 slotted weights of 50 gms. each. Photo Electric Cell Unit Mounted on base, colour coded sockets, with circuit diagram printed for demonstration. Photo Gates And Timer These pair of photo gates is housed in tough moulded cases giving them excellent durability. The lamps operate on 6Volts with a special built in circuitry which prevents lamps from damage in case higher voltage is applied accidently. The photo gates can be connected by 4 mm. sockets to a timer and power supplies. Physics Apparatus Our assortment of physics apparatus comprises of: · Expansion Apparatus Linear Micrometer Type · Compound Strip · Bursting Bottle · Copper Calorimeter · Calorimeter · Schuster And Lee's · Joule's Calorimeter · Calorimeter Blocks · Immersion Heater · Aluminum Container · Rivets · Metal · Steam Generator · Jug Kettle · Electric Kettle · Steam Heater ( Boiler ) · Constant Level Tank · Solar Educational Kit · Malvern Energy Conversion Kit · Steam Engine Unit · Steam Engine Locomotive Design · Model · Engine Models · Sectional · Wankel Rotary Engine |· Differential Mechanism · Steering Mechanism · Single Drive Plate Clutch Mechanism · Gear Box · Water Turbine With Dynamo · Electrostatic Materials · Gold Leaf Electroscope · Electrostatics Kit\ · Van-Degraaff Generators · Electrophorus · Proff Plane · Conductors · Biot's Conductor · Pair Of Capacitor Plates · Aepinus Condenser\ · Wimshurst's Machine · Discharger · Pith Ball Pendulum Tate's · Faraday's Ice Pails · Electric Whirl Physics Instruments Mechanics Mechanics
Properties-Solids Mechanics
Properties-Fluids
Properties-Gases
Pin Hole Camera To illustrate images produced by small apertures. Comprising a polished wooden box with a ground glass screen at one end and a hole at the other. Post Office Box, Plug Type Plug type, in polished wooden box with hinged lid and panel to show circuit connections. Coils of constantan wire double silk covered are wound non- inductively. Three pairs of ratio arms are each 10, 100, 1000 ohms and resistance arms contains 16 coils from 1 to 5000 ohms with infinity plug. Total value 11, 110 ohms. Two spring keys having contact for battery and galvanometer fitted. Accuracy of coils 100 to 500 ohms + 0.05% and of the rest coils + 0.1%. Precision Projection Electroscope Project your measurements onto a screen for a large group to see with this well-made electroscope. Its cylindrical metal case has two parallel plane glass windows, both removable, through which you can shine a light for projection. Close fittings and quality materials insulate the leaf system so it stays charged for several days in dry weather. The case is mounted on a heavy metal base. The Precision Projection Electroscope comes complete. A metal cap is provided for shielding the projecting rod and knob, as well as a 3.5 cm. square piece of gold leaf. Includes instructions and experiments for use in projection or for direct viewing. Size : 23 cm. high case is 12 cm. diameter x 6 cm. thick. Prism Acrylic Equilateral Clear acrylic polished surfaces, 60 x 60 deg.
Pulley Bench Clamp Fitting Pulley carried on a two part plastic frame, designed primarily for clamping to the edge of a bench, table etc. With the pulley overhanging the edge and in a vertical plane. The two different sizes are shown in the picture below. Pulleys Mounted in metal frame, with two hooks and accurately centered alingned.
Radiometer Comprising partly evacuated glass bulb approx. 70mm diameter, containing at its center a fine pivot which supports four light weight metal arms. One side of each vane is blackened, the reverse side is bright. Mounted on round base. Rain Guage App. Constructed from copper. It has funnel, an inner receiving vessel and an outer body all of copper, and a glass measuring cylinder. Resistance Box, Plug Type For accurate work, in polished wooden box and panel figured in white. Split brass contact blocks hold precision cut, interchangeable plug having moulded black fluted tops. Coils of constantan wire, double silk covered are wound co-efficient. Accuracy + 0.1%.
Resistance Coils Non-inductively wound with double silk covered constantan coils on plastic rod enclosed in transparent plastic tube with two terminal and values figured. Accuracy + 1%. 0.1 to 0.9 1 to 10 11 to 50 51 to 100 101 to 500 Resistance Box Resistance Box (Plug Type) is of a superior quality Heavy Brass Metal Blocks Size 7/16" are bound to Bakelite Plate by means of nuts and screws securing rigid fixation and eliminating any chance of contact error creping due to loosening of plugs and lugs which are cut to fine taper and are interchangeable. Plug heads are machine moulded, of heavy insulated Bakelite in beautiful shapes. The boxes are made of Teak-wood and nicely polished. We are renowned as one of the staggering High Power Resistance Box Suppliers in India.
Great care is taken in preparing the wire wound resistance. Selected double Covered Eureka Wire is wound in Bakelite spools. Sufficient ageing and Heat Treatment is processed through to avoid any moisture effects. Solder Joints are sealed after calibration. The Decade Resistance Box is calibrated on imported Testing Bridge Accuracy ± 0.1%. Send Enquiry Rheostats Power Rheostats are made with a variety of resistance & current carrying capacity so as to satisfy every need. They are wound with heavily oxidized eureka resistance wire upon a porcelain tube dia 44 mm aprox. The tube is carrying upon Bakelite rider and the heavy duty sliding contact is of the phosphor bronze with brass rod. 4 mm socket terminals are fitted, allowing for rheostat or potentiometer connection. Total resistance and maximum current capacity is marked on the slider. Total Permanent current loading should not exceed 75% of the marked values. The actual resistance of Wire Wound Rheostats shall be +20% -5% of the rated resistance as per our resistance chart. (as per ISI specification no. IS : 9051 S. No. 10.3), we are recognized as one of the major Electronic Rheostats Manufacturers and Exporters from India. Rheostats For use as series resistors or potentiometers. Open type slide wire type with a variety of resistance and current carrying capacity. Copper-nickle alloy wire is oxidized to provide perfect insulation. Three 4mm. socket terminals are provided. Supports are made of metal/Bakelite. Diameter 43 mm. Ring And Ball An apparatus for demonstrating thermal expansion, comprising a captive brass ball secured to a mounted brass ring by a chain. Ring mounted on rod with a wooden handle. The ball passes through the ring when cold but will not pass through after being heated. Ball dia. 25 mm. Ring Magnets, Ceramic Magnetised
Ripple Tank & Power Supply The ripple tank is a device to illustrate the laws which govern all wave phenomenon using ripples on the surface of water as the prototypes of all transverse waves. Ripple tank illustrates important wave motions like rectilinear and circular. It can also demonstrate refraction, diffraction and interference of water waves. Tank is supported by four legs having levelling screws. Size of the tank is 595x510x70mm supplied complete with rippler assembly, two straight obstacles 130mm long, one straight obstacle 40mm long, curved reflector 200mm radius, transparent refraction plate, wooden wave roller, one pack of rubberbands, water dropper, sponge, illuminator, hand stroboscope and suitable power supply. It is supplied with instruction manual. Ripple Tank Power Supply This unit provides current in the Ripple Tank Motor. Supplied with a detachable mains lead. Rising Table Having a cast aluminium 4" dia table with adjustable stand. Maximum height capacity 12". All metal having brass table of 10 cm. dia with three leveling screws. Coarse and fine height adjustment are provided, very superior and an ideal apparatus. Rules Steel Made of steel, graduated in centimeters and millimeters. Rule Steel is available in size 30 cms, 50 cms, and 1 meter. Set Of Geometrical Models Consists of 16 pieces, contains various geometrical models and figures. Made of hard wood and supplied in wooden box. 24/1 size 40mm x 25mm Set Of Springs Set of springs are flexible with hooks on both sides. Slotted Mass Set Iron Made from iron shaft with slots painted in black color. Hanger and Mass each of 500 gm. Total weight 2.5 kg. Hanger and Mass each of 1 kg. Total weight 5 kg. Soldering Station Maintenance Center • Power consumption220V-310W For Hot Air Soldering • High quality heating element • Diaphragm air pump • Air flow 23e/min (maximum) • Supply with Air Nozzle For Antistatic Soldering • Temperature 200 C~480 C • Ceramic heating element • Antistatic design • Fast heating up safe & reliable Spectrum Tubes Straight form, with side electrodes and 50 mm. long fine capillary in the middle. Filled with Oxygen, Neon, Helium, Air, Nitrogen, Argon, Carbon Dioxide, Hydrogen, Iodine Vapour, Sulpher water vapours, Krypton, Zenon. Size : 20 cm. long & 26 cm. long. Spherometer For accurate measurement of the radius of curvature of spherical lenses. Three - pronged aluminium table with three pointed legs carries a vertical main scale from 10-0-10mm on one of the prongs, and a micrometer scale on an Aluminium disc with 100 divisions. The table has a screw at its center with a pitch of 1mm. Giving a least count of .01mm. Spring Unit Of Mechanical Model For showing potential energy in a wound-up spring and its conversion to electrical energy by driving a dynamo and lighting a lamp. May also be used to wind up a weight on a cord showing the change from potential energy to kinetic and back to potential in the raised weight. The steel shaft carries a clock spring with a free wheel device and winding ratchet, also an aluminium 'V' pulley 56 mm. diameter. One end of the shaft overhangs the base for use as line shaft when winding up a weight. Dimensions 220 x 100 x 100 mm. high. Supplied complete with driving belt. Standard Reading Telescope With Scale The telescope is mounted on a specially designed carriage with support ring to stop abrupt falling. The carriage is fitted with two adjustable screws for precise vertical and horizontal positioning. This arrangement is mounted on a 25mm dia. 450 mm long steel pillar, fitted on a cast iron base with leveling screws. A scale holder is provided with scale. Standard Resistance Coils Having terminals, Each coil is non-inductively wound on insulated bobbins with constantan wire, enclosed in plastic case. Accuracy + 0.1%. 0.1 to 0.2 0.1 to 0.9 Steam Generator Cylindrical copper vessel 180x115 mm (height x dia.), with filling tube, steam vent and vertical tube terminating the chute passing through side of vessel. Brass tube, a sliding fit in the central tube, to carry thermometer. Lower end cut at an angle to seal the chute. Torsion Apparatus, Horizontal Tearle's pattern. For investigating the torsional rigidity of rods of different materials and to demonstrate that the angle of twist of a given rod over a fixed length is proportional to the applied force. The apparatus consists of two parallel metal support rods with heavy cast metal legs at their either end. One of the legs has ball bearing mounted pulley wheel at its outer side with its spindle carrying split collect chuck for holding one end of test rod while other end of the test rod supported to clamping block on the other leg. When loaded with masses through the nylon cord wound on the pulley wheel, twisting couple if applied to the test rod. Two aluminium scales, graudated 30°-0-30° x 1°, fixed on pillar supports are mounted on the metal supports rods along its length. Also included are two pointers, which when clamped to the test rod along its length and adjacent to the scale, indicates the torsion produced in the rod at that point. Supplied complete with two test rods, one each of brass and steel, nylon cord and hook for carrying masses, but without masses. Transistor Characteristics Apparatus The objective is to plot the input, output and transfer characteristics of a PNP or NPN transistor in common emitter & common base configuration.
These meters have different ranges as mentioned: Tuning Forks, Steel Plain shanks, chrome plated/Blued. Best quality steel
Vaccum Pump Oil Free Vacuum Pump, Exclusive oil-less construction of piston or diaphragm does not requires lubrication, practically maintenance free, portable light weight diecast aluminium components. Balanced eccentrics provide smooth, low vibration operation. Built in micro air filter, fitted with metal round plate.
Vernier Calliper Plated steel, Columbus type calliper enabling the user to read either inside, outside or depth measurements. With dual scale 0-12.5 cm. x 0.1 mm. Imperial scale graduated to 5 x 1/128 inches provided with thumb wheel for easy motion of jaws, in plastic case. Water Turbine With Dynamo To show conversion of mechanical energy into electrical energy. Turbine with transparent cover, inlet and outlet tubes, directly connected to a dynamo. Fitted on base Wave Form, Helix (silinky) For demonstrating wave motion. Helical coil of flat section tempered steel wire. Coil diameter 7.5 cm. length closed 10 cm. fully extended 3 meters. Wet And Dry Thermometer Comprising two -10 to +50 deg. C thermometers fitted on scale. One thermometer bulb is covered with muslin, which is kept moist by being connected to a reservoir of water. Mounted on a painted, wooden base. With humidity and temperature conversion chart Wheat Stone Bridge, One Meter This substantial bridge has broad, heavily plated brass strips mounted on polished hardwood base. Terminals with 4 mm. sockets are provided. The 24 SWG constantan wire is stretched along the top of a meter scale in mm. and cm. Supplied WITH JOCKEY. Dimensions 1.13 mm x 80 mm x 50 mm approx. Wheel And Axle, Simple Form Consisting of a wooden double wheel with flat bottomed grooves, 150 and 50 mm. diameter respectively. The wheel is pivoted on a spindle 10 mm. diameter which projects for a distance of 100 mm. so that the apparatus may be clamped to a normal retort stand. The apparatus is supplied complete with two hooks and 6 meters of whipcord, but WITHOUT masses and stand Wind Vane, Balanced With bearings mounted on steel pivot. Complete with metal base. Other products & services we offer
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