Make: Brown and Sharpe Model: No 1 #1 Serial No: 521-1-161 Condition: Used, Overall in Great Shape, Works well 10" x 20" Swing Over Table: 10" Distance Between Center, Nominal: 20" Distance Between Centers, Maximum: 22-3/4" Grinding wheel Size: 10" x 1" x 3" Minimum Wheel Width: 3/8" Wheel Speeds (3): 2500 / 3000 / 3600 RPM Swivel At the Wheelside: 90 Degrees either way Wheel Spindle Swivel: 90 Degrees either way Headstock Motor: 1/4 HP Infinitely Variable Spindle Speeds: 60 - 600 RPM Head Stock Spindle Nose Taper: A2-5" Headstock Swivels Either Side of zero: 90 degrees Infinitely Variable Table Speed: 3" to 150" IPM Table Per Rev of handwheel: -Slow: 0.1" -Fast: 1.5" Tailstock Spindle Taper: #7 Jarno Tailstock Spindle Travel: 5/8"