Model 1 1/2 B, Serial No. 135, 36" Roll space, 14" Horizontal Centers, 4 5/8" - 7 7/16" Vertical Adjustments, 2 3/4" Spindle Diameter, 12:1 Spindle Gear Reduction Ratio, 1.42:1 Drive Housing Reduction Ratio, 5 3/4" Base to C/L of Bottom Spindle, 20 HP AC Motor, Allen Bradley PLC 2/30 Programmable Controller