Singer industrial lock stitch sewing machine
1908
Singer lock stitch button-hole sewing machine head
1887
Treadle Plate to Operate Clutch & Break.
Singer industrial lock stitch sewing machine with component parts
1896-1900
Domestic lock stitch electric powered Singer sewing machine
1937
Singer lock stitch button-hole sewing machine head with accessories
1887
Singer 760 electric lock stitch sewing machine
1960