Mechanics Instruments

Pulley-single

Made of aluminum metal,  50mm dia runs smoothly in an brass frame with hooks.

Made of aluminum metal,  50mm dia runs smoothly in an brass frame with hooks.

Two Aluminium Metal pulleys of  50mm dia , Runs smoothly in a brass frame with hooks

Two Brass Metal pulleys of  50mm dia, Runs smoothly in an chrome plated Brass metal frame with hooks

Three polypropylene pulleys of 50mm dia, runs smoothly in an aluminum frame with hooks.

With three wheels of aluminum pulleys of dia 50mm in an brass frame with hooks.

Three polypropylene pulleys of dia 50, 40mm in an aluminum frame with two hooks.

Two aluminum pulleys of dia 50, 40mm in an brass frame with two hooks.

Three polypropylene pulleys of dia 50, 40, 30mm in an aluminium frame with two hooks.

Three aluminium pulleys of dia 50, 40, 30mm in an brass frame with two hooks

Three brass pulleys of dia 50, 40, 30mm in an brass chrome plated frame with two hooks.

Three brass pulleys of dia 50, 40, 30mm in an brass chrome plated frame with two hooks.

A 38 mm. dia. Aluminium pulley assembled on Aluminium alloy rod of 10mm dia. and of length 150mm.

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.  

A 22 mm dia. Aluminium pulley,moves  in metal bracket with mounting base plate of 35mm length provided with fixing holes.

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

The Demonstration Wheel and Axle  is an apparatus used to demonstrate the operation of a simple machine. With this apparatus, you can explain the conditions for equilibrium of bodies suspended from the wheel.Two wooden wheels of 150mm and 75mm dia crafted from solid hardwood with flat bottom grooves , moving on metal axle and supplied with  cord.The whole unit is supplied with Metallic stand.

Dimensions: 150mm diameter x 45mm. (Wheel & Axle)

Dimensions: 750mm X 12 mm dia. (Rod)

Dimensions: 225mm x 150mm (Base Plate)

The Demonstration Wheel and Axle  is an apparatus used to demonstrate the operation of a simple machine. With this apparatus, you can explain the conditions for equilibrium of bodies suspended from the wheel.Two wooden wheels of 150mm and 75mm dia crafted from solid hardwood with flat bottom grooves , moving on metal axle and supplied with  cord.The whole unit is supplied with Metallic stand

Dimensions: 150mm diameter x 45mm. (Wheel & Axle)

Dimensions: 750mm X 12 mm dia. (Rod)

Dimensions: 225mm x 150mm (Base Plate)

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

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 .

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.

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.

For reading the density of  light liquids calibrated at 20°C combined scale range 70-10 and 700 bv-1000 in card case

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.

A Borosilicate wide bore glass tube is mounted vertically in front of a scale graduated 0 to 60cm. 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.

A Borosilicate wide bore glass tube is mounted vertically in front of a scale graduated 0 to 60cm

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.

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.

Made of Borosilicate  glass, with visible coloured valves of 365 mm. height working model fitted on wooden stand of 450mm height, with perspex trough.

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

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.

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.

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.

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.

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.

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.

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.

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.

Consists of a solid sphere of 'Brass' with a small hook of suspension. Sizes available are

	Dia. (mm)
KPH 5765-A	13
KPH 5765-B	19
KPH 5765-C	25

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.

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 

(a) Two heavy and one light veKPHle, their masses in the ratio 2:1 with a tolerance of        ± 2%.

(b) Two metal location plates drilled to take the inner feet of the track so that it can be        firmly positioned on the bench using ‘G’ clamps, screw of self adhesive pads.        The plates are fitted with pegs to support the shutter accessory pillars.

(c) Three moulded black ‘buffers’ and three ‘horns’.

(d) One set of pin and absorber (Plasticine) attachments for work on in elastic        collisions.

(e) A supply of self-adhesive buffers for an alternative method with inelastic collisions.

(f) A set of Magnadur magnets (2) and counter balances (2) for work on collisions at a        distance.

(g) Ten spare rubber bands.

(h) Three black cards to fit the veKPHles for use in timing.

(i) 4 elastic chords with plastic ring on each end.

(l) Reel of nylon thread.

SPECIFICATION Track Square section aluminium 50x50mm, overall length 2m. VecKPHles two of 230mm approx.x50x6mm, One of 215mm approx. x 50 x3mm.

A disk suspended from a torsion wire attached to its centre. This setup is known as a torsion pendulum. The appratus is made of chrome plated brass. Supplied with torsion wire

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.

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.

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.

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.

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.

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

With overflow spout for specific gravity experiments; size of vessel 115mm x 50mm approx.

With overflow spout for specific gravity experiments; size of vessel 115mm x 50mm approx.

Borosilicate glass cylinder with overflow spout.

Dimension: 120 x 65mm Approx

Borosilicate glass cylinder with overflow spout.

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

Accurately made 3 dimensional shapes with size relationship of 50mm base section or diameter and 100mm vertical height.

Of clear Glass, all faces nicely polished 90mm dia and 18mm tKPHk approximately.

Clear acrylic plastic blocks 20mm tKPHk all sides surfaces fully polished.

Three polypropylene pulleys of dia 50, 40mm in an brass frame with two hooks.

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.

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.

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.

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.

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 wal

The free fall apparatus comprises two units, each of wKPHh is mounted on a plastic base, wKPHh can be clamped on a 13mm diameter retort rod. Connections are brought out to 4mm sockets.

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.

The free fall apparatus comprises two units, each of wKPHh is mounted on a plastic base, wKPHh can be clamped on a 13mm diameter retort rod. Connections are brought out to 4mm sockets

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

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.

Flat form with hook and brass lacquered scale, after Salter design. Most accurate.

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.

Equilateral, triangular, cemented with colorless adhesive.

Side length 50mm, height 50mm.Fitted with filling vent and stopper

Equilateral, triangular, cemented with colorless adhesive. 

Side length 50mm, height 50mm.Fitted with filling vent and stopper.