Nickel plated copper calorimeter of 63 x 63 mm lagged and enclosed in an outer vessel of 80 x 90 mm size, with cover having terminals, a heating coil suitable for 3-6 V supply and holes for thermomete....
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Locomotive design, sectional, the valve and piston mechanism clearly visible through a glass plate with forward and reverse motions, demonstrates working with an air blower or even with mouth blowing.....
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Operation of a commercial steam engine is well illustrated with this working model. The extra large size unit is provided with a horizontal boiler with a whistle, safety valve, steam guage, on metal b....
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Gravesande?s, ring mounted in rod with handle, ball with chain. Cold ball passes through the ring but does not pass when heated the ring & the ball with separate handles.

To illustrate expansion of metal on heating and contraction on cooling, with steel bar of length 100 x 10 mm and plated brass gauge with a cut-out to just accommodate the bar and two holes through whi....
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Copper calorimeter 75 x 50 mm with felt insulation, outer vessel of 100 x 65 mm size with a plastic lid having holes for thermometer & stirrer. A thermometer holder is fixed to the outer vessel. C....
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Brass and iron, 200x25 mm, rivetted, with wooden handle.

Metal box, 230 x 75 x 75 mm, with sliding glass front and two detachable glass chimneys, with one candle holder under left chimney. Supplied without candles.

ALINCO, Round edges, in Pairs, with keepers, Dimensions are nominal. Supplied in cardboard boxes.

Horizontal type Micrometer screw form. Two cast end pieces joined by two metal rods having support for brass tube nickel plated 50 cm long, 1 cm dia. With riffled inlet and outlet for connection to a ....
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75 x 50 mm diameter resting on felt pad inside an outer vessel, 100 x 75 mm diameter. Outer vessel fitted with detachable clip-type thermometer support. Complete with stirrer.

Copper, cylinderical vessel 280 x 115 mm overall height x diameter, capacity 1.5 liters, neck 23 mm dia. With riffled side tube 9.5 mm maximum outer dia and water gauge.

Cylinderical copper vessel 180 x 115 mm height x diameter, with filling tube, steam vent and vertical tube terminating the chute passing through side of vessel. Brass tube, a sliding fit in the centra....
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Two cast metal uprights, height 18 cm, fitted with two nickel plated rods supporting expansion bar of length 38 cm. Expansion bar is fixed to one upright and moves a pointer on the other, when heated.....
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For demonstrating the different thermal expansions of various liquids. Comprising five bulb tubes with plastic scales, mounted in a frame and supported in a water trough 240 x 108 x 77 mm deep. The fr....
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To demonstrate generation of electricity when the junction of two unlike metal is heated.

For showing the principles of platinum resistance thermonetry and for accurate temperature measurement using a bridge method such as 'Cary-Foster' bridge. The thermometer comprises a length of fine pl....
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It consists of 12 pairs of Bismuth and Antimony bars joined together in series with insulation between them. The couples thus arranged are enclosed in a brass frame having two terminals connected to t....
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Cylinderical copper rod about 300 mm length 25 mm diameter, one end containing a steam chamber connected to inlet and outlet tubes, other end of copper rod has cavity connected via thermometer pockets....
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Comprising strips of copper, iron aluminium and brass fixed on wooden ring meeting in the centre, outer ends of the strips formed with small cups.

A set of metal rods 300 x 3 mm diameter comprising one each of Aluminium(240), Iron(72), Copper(395), Lead(34), Brass(128), Zinc(112).

Comprising six cylinders, size 38 x 9.5 mm diameter, one each copper, lead, brass, zinc, iron, aluminium.

One each wires copper and constantan approximately 305 mm long, twisted and brazed together.

About 20 cms in dia by 44 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 hol....
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To show the maximum density of water. Sheet iron cylinder 203 x 50 mm height x diameter, mounted on a base and encircled midway along its length by a gallery 63 x 100 mm, height x diameter. Fitted wit....
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For the determination of the upper fixed points of thermometers and boiling points at barometric pressures other than atmospheric. Double walled copper cylinder 34 x 6 cm height x outer dia mounted on....
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