Nickel plated copper calorimeter of 50 x 75 mm lagged and enclosed in an outer vessel of 75 x 100 mm size, with cover having terminals, a heating coil suitable for 3 – 6 V supply and holes for thermometer and stirrer.
With stirrer but without thermometer.
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.
Heavy duty, both ball and ring are mounted on separate handles.
When cool, the 25 mm brass ball passes easily through the matching brass ring; when hot, it won't go through.
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.
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.
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.
Consisting of a joint less copper calorimeter 75 x 50 mm on rubber supports, spun outer copper vessel of 100 x 75 mm diameter copper lid for outer vessel with central tubule for thermometer and slit for copper stirrer with a looped copper stirrer for the inner vessel.
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