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Physics Equipments (78)
Physics Instruments (41)
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| Mechanics Instruments
Air Pump Single action brass metal pump with oiled silk valves, cylinder 20cm x 3. 2cm dia. Plate 175mm dia, with stopcock, and inlet screw. Whole unit is mounted on nicely polished teak wood base. Aluminium PULLEY, PLAIN BEARING A 70 mm dia pulley with a wide groove for whipcord, mounted on iron frame designed for clamping to the 25 mm. tKPHk edge of a bench Battery Hydrometer Glass Hydrometer range 1100-1300 with coloured zones, blue, white and red for charged, partly charged, uncharged conditions respectively. Glass body, fitted with compressible rubber bulb and rubber tube with fitting to body packed in card box. Beaums Hydrometer For reading the density of light liquids calibrated at 20°C combined scale range 70-10 and 700 bv-1000 in card case Bending Of Beam Assembly For determining youngs modulus for the material of a beam supported at its ends. Comprising 1 meter long metal chrome plated bar, resting on the knife edges of 2 heavy table clamps, hanger with knife edge support to rest on the beam with micrometer or spherometer attachment and with electric contacts. Supplied without weights. Boyles Law Apparatus Consists of two borosilicate glass tubes of 220 mm length and inside diameter is 8mm, one is closed at the top and other one is opened. The lower ends of tubes are drawn out and joined together by 1.5m of rubber pressure tubing 10mm outside diameter x 5mm inside diameter. Both the tubes are mounted on the brackets wKPHh can be locked in any portion on the metal supporting rods. Stand is made of approximately 1.06m in height and carries a graduated scale 0 to100cm with mm divisions in centre and figured every 2cm up either side on heavy metal box. Mercury required for this apparatus is approx. 30cm³. Supplied without mercury. Boyles Law Apparatus Metal
Zero corresponds to the inside of the closed (top) end of the tube. Air is confined in the tube by a coloured oil contained in a metal pressure chamber wKPHh is fitted with a Bourdon type gauge calibrated 0 to 50 lbs. In² & 3.5 Kg/cm² actual pressure. A valve is fitted to the air inlet tube from the pump. As the pressure in the oil chamber is increased, oil in its actual (total) pressure is directly indicated. The tube is of extra strong glass and plastic safety screen is secured is fitted on front. Overall height of apparatus 690mm approx. Bramah Hydraulic Press A Borosilicate glass working model, with visible coloured valves of 225 mm height and 120mm width, mounted on wooden stand 285mm height with perspex trough. Bucket And Cylinder To demonstrate the principle of Archimedes. A brass, cylinder 60mm long 20mm dia and bucket has a suspension loop at the top and a hook at the bottom. Overall length when extended,160mm. Capillary Tubes Apparatus The correct Capillary Apparatus... Consists of 6 glass capillary tubes of different inner diameters are kept in A metal Frame having 6 holes fitted with corks, through wKPHh pass 150mm long capillary tubes . The frame is 90 mm in height and having a trough of 115 x40 x12 mm . Chemical Weight Set Very superior quality, Brass chrome plate weights with rider & fractional weights set in velvet lined nicely polished wooden case. Specifications Set 200gms. : 1x200g, 1x100g, 1x50g, 1x20g, 1x10g, 1x5g, 2x2g, 1x1g. Set of ten weights : 1x500g, 1x200g, 1x100g, 2x20g, 1x10g, 1x5g, 2x2g, 1x1g. Communicating Vessel 4 different shapes and sizes boeosilicate glass tubes are mounted vertically above a horizontal communicating tubes for liquid level demonstrations. fitted on a Bakelite stand. Dimensions: 120 x 300 x 60mm Cubes Metal 10mm side in plastic case. Displacement Vessel With overflow spout for specific gravity experiments; size of vessel 115mm x 50mm approx. Displacement Vessel With overflow spout for specific gravity experiments; size of vessel 115mm x 50mm approx. Displacement Vessel
Double Parallel Pulleys Brass Two Brass Metal pulleys of 50mm dia, Runs smoothly in an chrome plated Brass metal frame with hooks Double Parallel Pulleys Metallic Two Aluminium Metal pulleys of 50mm dia , Runs smoothly in a brass frame with hooks G By Free Fall Apparatus
The solenoid unit has a mumetal core, wKPHh ensures prompt release of the ball on de-energising. The gate switch unit comprises a hinged steel plate, wKPHh is held against an adjustable contact by means of a small permanent magnet, so that, by proper adjustment, the plates fall away promptly at the impact of the falling ball. Geometrical Shapes Set Wooden Accurately made 3 dimensional shapes with size relationship of 50mm base section or diameter and 100mm vertical height. Glass Block Of clear Glass, all faces nicely polished 90mm dia and 18mm tKPHk approximately. Glass Blocks Sheet Glass Without bubbles made of sheet glass. All sides polished. Hares Apparatus A three limbed glass tube mounted on nicely polished wooden stand with scale printed in cm and mm. The column height readings are are made easier with the help of sliding stand, WKPHH can be lifted upward and downward so that their lower ends just touch the free surfaces of the liquids, supplied with rubber tube and pinch clip. Hooks Law Apparatus The apparatus consists of a 15cm adjustable mirror scale supported by wooden back and mounted on a sturdy round base support of 30cm height, an adjustable hook and a spring with a weight hanger are attached to the top of the rod. A pointer is fastened to the weight hanger, supplied with 5 pieces of 20g slotted weights. Hydrostatic Balance Of stainless steel chromium plated, with 3 pans, one of wKPHh with shorter stirrup and with hook. Pans adjustable height with downward playing pointer. The balance is mounted on a rectangular wooden polished base. Capacity 250g sensitivity 10mg Inclined Plane A plane board, 600x75mm, hinged to the base at lower end and provided with a pulley for the force string, at the other end. The inclination of the plane can be varied. supplied with brass roller 75 x 25mm diameter and scale pan. Without Masses. Kater Pendulum A 1200 mm long Stainless steel rod of 10mm dia, has one pair of small brass and ebonite masses and one pair of large brass and ebonite masses , two steel knife edges kept in adjustable metal holders and a metal bracket with bores for mounting to the wall. Lift Pump/water Pump Made of Borosilicate glass, with visible coloured valves of 365 mm. height working model fitted on wooden stand of 450mm height, with perspex trough. Liquid Level Apparatus To show that the level of liquid in communicating vessels is constant irrespective of the size or shape of the vessels. Comprising four glass tubes of differing shapes and cross-sectional area projecting vertically from a common horizontal tube. Mounted on a base 230x100x25mm, the apparatus has an overall height of approximately 165mm. Maxwells Vibration Needle For experiments on rigidity. It consists of a hollow chrome plated brass tube graduated with scale divided in mms and with vernier to read 0.05mm. 40cms. Long, 18mm dia fitted with a small chuck and a mirror, 2 solid cylinders and 2 hollow cylinders all 10cms long. These cylinders are inserted inside the hollow cylinderical tube symmetrically so as to keep the tube Horizontal.Provided with ceiling attachment with chuck. Mechanics Linear Air Track Designed for the study of linear motion under conditions of low friction, is made from strong, square section aluminium. Two rows of fine holes run along the top of the track through wKPHh jets of air emerge to or an air cushion on wKPHh the veKPHles float under virtually frictionless conditions. The track is supported one five adjustable feet. An air inlet tube connection is fitted at one end and a butterfly valve at the other by means of wKPHh the air pressure inside the track may be adjusted. The track is supplied complete with the following accessories
Mechanics Livers Inertia Consistss two metal trays. 130 x 55 x 23mm joined together by a pair of 215 mm. long spring steel strips of10mm width, One tray is drilled to hold three equal cylindrical masses. The other tray acts as an anchorage and may be clamped to the bench either horizontally or vertically. Complete with three masses and a ‘G’ clamp for table mounting. Mechanics - Elasticity & Gravity About 20cms in dia by 44mm wide turned and accurately balanced, Rotates on a horizontal Axle, supported on 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 also. Mechanics - Pendulum & Gravity Consists of a chrome plated steel bar 100 x 3.75cms having holes drilled at equal distances along its length of 50mm and provided with detachable knife edge. provided with wall bracket. Metal Blocks For density determinations, set of twelve in assorted sizes, shapes and masses. The set comprises two each of brass, iron, aluminium, copper, zinc and lead. Masses vary from 12 to 25g approx Model 0f Kinetic Theory Consists of a clear perspex tube 260mm in length and 0uter dia is 50mm it has a freely sliding piston made of polystyrene and a loose fitting metal cap. The tube is fitted by means of a bayonet-type fitting in a metal cap, upon a Nicely polished wooden motor housing 165 x 140 x 75mm . for A low voltage d.c. motor and coupled to a crank-driven agitator. The push rod of the agitator carries a light polystyrene piston wKPHh oscillates in the lower part of the tube. The apparatus is supplied with a metal spheres of 3 mm dia. and one thermocoal loading disc. PULLEY ON CLAMP A light aluminum alloy pulley of 70mm dia, moves on brass/steel bearing, clamped in synthetic (hammer) finish alloy bracket, with provision of two screws for clamping on bench edge or similar support up to 38mm tKPHk, screwed to a flat surface, or held on a 13mm dia support-rod. Prism
Side length 50mm, height 50mm.Fitted with filling vent and stopper Pulley, Board Mounting A 22 mm dia. Aluminium pulley,moves in metal bracket with mounting base plate of 35mm length provided with fixing holes. Pulley- Double In Line Metal Two aluminum pulleys of dia 50, 40mm in an brass frame with two hooks. Pulley- Double In Line Plastic Three polypropylene pulleys of dia 50, 40mm in an aluminum frame with two hooks. Pulley- Double Parallel Two polypropylene pulley of 50mm dia, runs smoothly in an aluminum frame with hooks. Pulley- Single
Pulley- Triple Parallel Metallic With three wheels of aluminum pulleys of dia 50mm in an brass frame with hooks. Pulley- Triple Parallel Plastic Three polypropylene pulleys of 50mm dia, runs smoothly in an aluminum frame with hooks. Pulley- Double In Line Brass Three polypropylene pulleys of dia 50, 40mm in an brass frame with two hooks. Pulley-triple In Line Brass Three brass pulleys of dia 50, 40, 30mm in an brass chrome plated frame with two hooks. Pulley-triple In Line Brass Three brass pulleys of dia 50, 40, 30mm in an brass chrome plated frame with two hooks. Pulley-triple In Line Metal Three aluminium pulleys of dia 50, 40, 30mm in an brass frame with two hooks Pulley-triple Inline Plastic Three polypropylene pulleys of dia 50, 40, 30mm in an aluminium frame with two hooks. Pump Plate Aluminum metal plate with tube for connection to pump and stopcock for air regulation on central pillar. Mounted on heavy tripod base, finished in epoxy powder coated paint. Searl's Surface Tension Balance A Cast metal bridge of approximately 280mm length mounted on tripod stand that can be moved manualy in up and down positions .levelling screw is also provided in one arm of tripod stand. The bridge has raised end pieces to wKPHh are screwed small metal blocks securing either end of a plated steel torsion wire. One block disc slotted to facilitate adjustment for torsion of the wire by means of screw passing through the end piece. At the centre of the wire a small clamp is fitted carrying a light weight metal pointer with an adjustable counterbalance. From a V shaped indentation near the tip of the pointer is suspended a small weight pan with a hook fitted to its underside, to hold either wire frame 80 x 25mm (L x H) or a metal clip carrying a glass slide. 75 x 25 x 1.5mm (L X H X T). The tip of the pointer moves over a vertical graduated scale complete with set of weights 1mg to 1g. Set Of Acrylic Plastic Blocks Clear acrylic plastic blocks 20mm tKPHk all sides surfaces fully polished. Simple Pendulum Consists of a solid sphere of 'steel' with a small hook of suspension. Simple Pendulum Consists of a solid sphere of 'Brass' with a small hook of suspension. Sizes available are
Simple Wheel And Axle With Stand
Spherometer Brass dial head 40mm dia with stainless steel screw 0.5mm or 0.1mm pitch, head divided in 100 divisions, reading to .001mm or .005mm and registering on vertical scale 10-0-10mm frame with feet of stainless steel on p.c.d. of 46mm Separation approx 40mm. Zero adjustment can be done by unscrewing thumb screw. Spouting Cylinder To demonstrate the increase in pressure with depth. The cylinder is made of sheet metal 47. 5 x 10cm ht x dia with 3 orifices of the same diameter with rubber corks and tubes. Spring Balances Metric Flat form with hook and brass lacquered scale, after Salter design. Most accurate
Spring Balances Newton Flat form with hook and brass lacquered scale, after Salter design. Most accurate. Surface Tension Apparatus A fine capillary tube of uniform bore (garduated in cms. and mm. on its outer surface) is held inside the experimental liqid taken in a 500ml. beaker the capillary tube is connected to a manometer and 500 ml.Filter flasks. A dropping funnel is fitted in flask . tube 150 x30 mm with stirrer and three jets of different sizes. All glass parts made from Borosilicate glass Ticker Tape Timer A C For the measurement of velocity and acceleration, using timing marks made on a moving paper tape by a vibrating striker. Works on a 12 V A.C supply and uses the mains frequency as its timing standard. The unit is enclosed in a molded case including mounting flanges. The top of the case carries a tape guide wKPHh incorporates a carbon paper disc support and an adjustable anvil for the striker point. All moving parts are fully enclosed and a pair of 4mm sockets are fitted on the front side of the case for connection of the electrical supply. Supplied with a roll of self marking paper tape and carbon paper discs. Torsion Apparatus Searle’s pattern, two cast iron feet each with 3 through holes and grub securing screws, separated by 2 supporting rods approximately 700mm long one of wKPHh is graduated incms and mms, wheel 165mm dia, over groove moving in ball bearings, mounted on front foot, with spindle carrying split collect chuck for holding one end of test rod 55cms long 5mm dia, other end supported with clamping block through rear foot. With two aluminium scales graduated 30-0-30 in single degrees, mounted on pillar supports, wKPHh are adjustable along the rod, two pointers with clamp for attaching to specimen, one each of Brass and Steel rods, cord and hook for carrying masses but w/o weights. Torsion Apparatus Vertical It consists of a heavy mild steel frame mounted on a heavy tri-leg cast iron base. Upper end of the rod 900mm length and 5mm dia under test is clamped by a 3-jaw chuck and the lower and is clamped, into the axis of a torsion couple three metal circular scale graduated in single degrees wKPHh are free to slide on one of the graduated rod can be clamped at any position. Three pointers for clamping to the test rod are provided. Strings to apply the deflecting couple and having pans at their free and pass over bearing pulleys wKPHh are clamped to the uprights without weights. Torsion Pendulam A disk suspended from a torsion wire attached to its center. This setup is known as a torsion pendulum. The apparatus is made of chrome plated brass. Supplied with torsion wire. Turntable The apparatus consists a 300 mm diameter circular and 12 mm TKPHK wooden top attached to a ball-bearing spindle provided with a 80mm diameter driving pulley, and a support rod for mounting in a suitable tripod base or boss head. Holes are bored in the table and bolts are supplied for firmly tightening the different interchangeable accessories. Youngs Modulus Apparatus Consists of a brass scale 10cms. long and vernier to read 1/10mm with V slides clamps, guides for wire supplied with ceiling attachment and tension weight. Youngs Modulus Pparatus The instrument consisting of two rectangular metal frames connected with two cross bars. The frames are fitted with self centering chucks. An accurately graduated micrometer screw to read to 0. 01mm is fitted on one frame. A constant weight is attached to one frame any wt. Can be attached to the other frame one end of a sensitive spirit level is pivoted to one of the frame, the other end rests on the tip of a micrometer screw fitted in the other frame. The bubble of the level is adjusted to its zero mark and the reading of the micrometer observed. The load is then applied and by turning the micrometer screw the bubble is again adjusted to zero. The reading is observed and the difference between the reading gives the extension of the wire. Complete with chucks, ceiling attachment and tension weight. With case. LPuley With Rod A 38 mm. dia. Aluminium pulley assembled on Aluminium alloy rod of 10mm dia. and of length 150mm. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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