Barber-colman 2½-4 Parts List
Barber-Colman Number 2½ 4 (two-and-one-half four) Gear Hobbing Machines. Repair Parts Manual as sectional drawings.
Barber-Colman Number 2½ 4 (two-and-one-half four) Gear Hobbing Machines. Repair Parts Manual as sectional drawings.