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 984
simple and strong, will readily be understood from the engraving, parts being broken away to showthe connection between the screw and jaw, and the method of firmly securing the shank in the 4324. … handle. The rotation of the screw by the milled cylinder shown causes the movement of the jawalong the shank. Fig. 4323 represents a tap-wrench, for holding taps (see Screw-cutting Taps and Dies) during
Mechanical engineering -- Dictionaries
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