For showing the difference in conductivity.
Rod 300 x 18 mm half brass & half polished wood.
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Usable for experiments on specific heat capacity of different metals.. Cylindrical blocks with 12.5mm central hole to accept immersion heater and hole for thermometer. Mass of each, 1 kg 2% Aluminium Alloy : 76×84 (dia x height) mm Approx. Brass : 44×84 (dia x height) mm Approx. Copper : 44×79 (dia x height) mm Approx. Steel : 44×89 (dia x height) mm Approx. Supplied without thermometer.
GRAVESANDE – Ring and ball, mounted on separate handle ball.
An apparatus for demonstrating thermal expansion, comprising a captive brass ball secured to a mounted brass ring by a chin, Ring mounted on rod with a wooden handle. The ball passes through the ring when cold but will not pass through after being heated.
A model of four stroke water – cooled diesel engine .. This is of the chain-driven overhead camshaft type and all functional components like camshaft, rock – arms,. tappets etc. are clearly demonstrated. The functioning of fuel injection system is also represented. Ignition is shown by means of a miniature bulb. Mounted on base.
The section cut model is constructed of light and strong metal showing air intake, axial flow, double stage compressor, fuel supply, combustion chamber, turbine rotar, jet thrust, exhaust etc. Complete on base.
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