Designedfor continues shaking of solutions in Erlenmeyer Flasks from 50 ml 1000 mlcapacity. It is a compact beach type table top model with platform fitted withrubber discs mounted on ball bearing crank shafts to give an orbital motion tothe flasks, within a diameter of approximately 2". The motor is coupled bymeans of a V-belt with pitch pulley, and is mounted on a heavy and sturdy angleiron frame S. Steel Top. Speed is controlled by mechanical speed controller. Towork on 220/230 volts A.C. supply.