For info:
S/N 383 NEW: 1971 SPECIFICATIONS: (STOCK # 100032) DRILL CAPACITY: 1/16" - MINIMUM MAX DIAMETER HEADED........:1" - MAXIMUM GRINDING WHEEL SIZE........: 12" X 3/4" X 5" SPINDLE MOTOR..............: 1 HP., 1730 RPM, 220/440V., 3/60 EQUIPPED WITH: GRINDING WHEEL MOUNT BUILT-IN COOLANT SYSTEM ASSORTED COLLET HOLDERS ASSORTED INDEX PLATES COLLET LOADING ATTACHMENT HAND TYPE DRESSER WITH CAM BUILT-IN ELECTRIC CONTROLS ELECTRICS-