Barber Coleman Hobbing Machine *10 Operation, Setup, & Maintenance Manual For models: #6-10, s/n's above 4375 #6-16, s/n's above 2837 #6-20 #16-16 #16-36 #16-56 141 Pages Condition of original: Excellent with Some smudges on original cover Reproduced from original manual using high quality paper.