LUMSDEN TYPE 91ML  VERTICAL SPINDLE ROTARY SURFACE GRINDER Serial Number 91ML/174/11462 CAPACITY: 36″ dia.  magnetic table GRINDING WHEEL: Segmental wheel   “20” dia Vertical travel of wheel is 10″ SPEEDS: Spindle  speed 750 rpm Table speed 7  & 21 rpm Wheel elevation 24 inches/min. Automatic feed variable .004″ and .040″ per minute with automatic stop. SPINDLE […]