The 300VSA bench mounted Sweep Arm lapping and polishing machine is the standard model in the range. The powerful drive mechanism is suspended in an aluminium chassis with its electric motor cradled in anti-vibration mountings. The control panel incorporates speed adjustment and time cycle settings. An LED display indicates cycle time. An independent electrically powered sweep arm incorporates infinitely variable pressure weight control from 0.35Kg to 2.25Kg. Sweep is fully adjustable from