750 cc union process "szegvari" attritor, model 01-hdt, size o1, serial # 870707. Features agitated 750 cc jacketed grinding tank, reliance 1/4 horsepower manually operated variable speed motor belt driving agitator from 345 to 1728 rpm co shaft speed, motor and electrical controls are ul rated for hazardous locations under class i/group d and class ii/groups f & g, 230/460/3 phase/60 cycle voltage with allen bradley stop/start, table top design. See video on our youtube channel at this link https://youtu. Be/id_9vvsllow
