Karl Marx, Das Kapital, Karl Marx Friedrich Engels Werke, Bd. 23, Dietz Verlag, 1962, S. 495. PRESENTS FROM JAPAN, The New York Times, March 25, 1862, Page
8. Don Bissell, The First Conglomerate: 145 Years of the Singer Sewing Machine Company, Audenreed Press, 1999, p107.
Durkop
Don Bissell, op. cit., p. 133 134.
chain-stich machine lockstich machine
WILLCOX WILLCOX & GIBBS SEWING MACHINE.