The Crossley Machine Co. (Incorporated), manufacturers of clay working machinery : pottery, electric porcelain, tile making, clay washing and crucible machinery. (1918)
/2 in- Diameter of driving pulley 15 in. Speed of driving pulley, about 60 revolutions Height of machine, over all 20 in. Floor space required 13^ x 6 ft. Capacity, each cylinder 1^ gallons The weight, floor space and other data arein proportion to the number of jars desired. … 74 THE CROSSLEY MACHINE CO Ball Mills or Grinding Cylinders