Worm and Worm Wheel

Product Description

An allmetallic self-contained apparatus useful for demonstrating the efficiency ofworm and wheel and also the principle of work Consisting of a machine cut wormgear of 25 cm diameter, carrying a metal drum of 12 cm diameter, and machinecut worm on steel spindle carrying a 12 cm diameter pulley. The wholearrangement is fixed on heavy cast iron bracket capable to be fixed to a wall.Complete with effort pulley, string and hooks but without weights

 a) Single Purchase

 b) Double Purchase

c) Tripple Purchase