Including such improvements as the falling shuttle and a presser foot, what household item did Isaac Singer improve in 1851?
Foot (sewing) History of the sewing machine Sewing machines Sewing Machine Sewing Machines Needle guard Frister & Rossman Sewing machine Thomas Saint Needle feed COMPUTERISED KNITTING MACHINE
thomas saint needle guard history of sewing machine computerised knitting machine needle feed sewing machine foot sewing sewing machines frister rossman
sewing machine
WikipediaEntity
Sewing Machine