Hi all, In another thread on this forum someone mentioned mil-spec sewing with machines and there were some requests for the army spec book detailing the techniques. I found these on Google Books the other day and figured that even if they aren't the book in question they are still interesting! They contain maintenance as well as operational instructions for the following Singer Models: 112W116 131W113 7-33 97-10 17W15 55-5 111W155 Organizational and field maintenance manual: sewing m