The Crossley Machine Co. (Incorporated), manufacturers of clay working machinery : pottery, electric porcelain, tile making, clay washing and crucible machinery. (1918)
ecially adapted for the throwing of heavypieces and the variable speed is obtained byreleasing the friction clutch which is controlled byfoot lever. The bottom bearing is fitted with aspecial ball bearing thrust which reduces thepower consumed to a minimum, and is built ofthe very best material and… … 94 THE CROSSLEY MACHINE CO No. 1 Jigger or Potters Wheel