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Appletons' cyclopaedia of applied mechanics: a dictionary of mechanical engineering and the mechanical arts (1880)

D. Appleton and Company, Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 770

An illustration from Appletons' cyclopaedia of applied mechanics: a dictionary of mechanical engineering and the mechanical arts, 1880, leaf 770 — SEWING MACHINES. 737 to be carried around the lower thread without disturbing the position of the bobbin, and preventsthe loop from being cast off the hook into the wide mouth of the bobbin instead of passing around 3S37. 3836.

Mechanical engineering -- Dictionaries

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