Convection Tube

Fixed on polished wooden base, single barrel made of steel pipe with stopcock.
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Pump plate made of aluminium dia (a) 15 cm (b) 20 cm (c) 25 cm.

4 stroke One cylinder, 4 cycled and double valve system gas engine, to show operations like intake, compression, explosion, exhaust, spark and others, mounted on wooden base with spark plug and battery.