Singer Industrial 29-4 Cobbler Leather Treadle Sewing Machine. It takes a lot to turn it need some oil. It has scratches nicks/ ding, stains and rust and is missing parts. The singer name has come off. The item "Singer Industrial 29-4 Cobbler Leather Treadle Sewing Machine" is in sale since Saturday, March 10, 2018. This item is in the category "Antiques\Sewing (Pre-1930)\Sewing Machines". The seller is "doggy783" and is located in Canoga Park, California.