Singer industrial sewing machine, high speed lock stitch, model 96-10, SN AC795065, April 5, 1929. makes just one kind of straight stitch. Was used in factory in New York Garment District until about 1960. Originally treadle powered was converted to electric motor with clutch when in use in the factory. Includes about 25 bobbins and about 10 different kinds of feet. Includes copy of operation instructions. It is operational. Call or text 732 500 2376.