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 cutout to just accommodate the bar and two holes through which the bar passes when cold.
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 With scale reading 0 to 90°, supplied with one each, aluminium, brass and iron expansion bars.
Comprising two castÂmetal uprights linked by a pair of parallel plated metal support rods and supporting an expansion bar at the top. Supplied with expansion bars.
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.
Supplied with scale reading 0 to 90 deg and one each of aluminium, brass and iron expansion bars.
Double-Wall Calorimeter with 1.5 ohm heating coil and 4 mm standard terminals for electrical connections. Complete with insulated stirrer and single-hole rubber stopper.
Operates on 6-V DC. Instructions included.
Comprising five removable glass tubes in a sliding frame and supported in a water trough.
For demonstrating the different thermal expansions of various liquids.
Comprising five glass tubes in a frame and supported in a water trough.
The frame has a special sliding arrangement with clips to hold glass bulbs with tubes.
The bulbs can be easily removed and fixed and have funnel formation on top for easy filling.
Jolly's thermometer bulb connected via a 3-way stopcock to mercury tube.
Sliding indicator on right hand limb with reservoir sliding on vertical clamping rod.
Metal vessel to surround the bulb.
Mounted on wooden stand, height 740 mm.
All glass parts except reservoir are made of borosilicate glass.
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 and stirrer.
A thermometer holder is fixed to the outer vessel. Complete with stirrer.
To observe heat transfer under different conditions by measuring the temperatures of the insulated containers before and after connecting them with the metal bar.
Consists of two insulated containers, two thermometers and a metal bar and instruction manual.
Polished aluminum container placed in an outer wooden case with thermometer, plastic top fitted with two terminals for heating coil and a hole for thermometer.
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