Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 630
on introduced into successful opera-don. The merit of Mr Wilsons invention consists in the rough surface feed above mentioned, and inI roved mode and mechanism by which sewing is effected. The main !«• iture of the inventionin a rotating hook, by which t, or upper thread upon being passed through…
Mechanical engineering
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
