Merchant, F. W. (Francis Walter), 1855-1937, Chant, Clarence Augustus, 1865-1956 · Toronto : Copp Clark · leaf 90
FiQ 99.—The letter press. Fio. 100.—The mechanics vice. Examples of the screw are seen in the letter press (Fig 99),and the vice (Fig. 100). 80 MACHINES ILLUSTRATIVE PROBLEMS 1. Why should shears for cutting metal have short blades and longhandles ? 2. In the driving mechanism of a self-binder,…
Physics
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