Solomon Adler: "Sew" Much More | Lemelson Center for the Study of Invention and Innovation
sew machine mechanical drawing | Sewing, Dressmaking, School organisation
Original patent drawing of an early Singer round bobbin sewing machine, 1867. Isaac Merritt Singer (1811-75) originally worked on theatre, only workin... | Supe… | Patent drawing, Sewing machine drawing, Sewing machine