Barber Colman Model 6-10 Horizontal Gear Hobber; S/N 5131, No. 686-65, 16DP-2” Dia. / 48DP-6” Dia. Maximum DP and Dia. In Steel 1 Cut, 6” Maximum Rated Work Diameter, 10 ½” Maximum Travel of Hob Carriage, 15 ¾” Maximum Distance Work Spindle Face to Tail Center, 12 ¾” –¼” Distance Work Spindle Face to C.L. of Hob Spindle, 3” Distance C.L. of Work Spindle to Bottom of Overarm, 2 1/16” Maximum Hob Diameter, 60 Deg. R to 90 Deg. L Maximum Swivel Angle Setting, 2 HP Drive Motor, Triple Thread Index Worm, Coolant (New 1968)