Singer 15-88 15-89 Treadle Hand Crank Sewing Machine Instruction Manual Original 1940

Original instruction manual for Singer 15-88 15-89 sewing machine, this is for the non-motorized version of the model 15 (treadle or hand crank). Copyright 1940. Very nice vintage condition with typical, minor signs of age such as rubbing along the spine. All pages are secure & present. Packed full of useful info. 59 pages.