Merchant, F. W. (Francis Walter), 1855-1937, Chant, Clarence Augustus, 1865-1956 · Toronto : Copp Clark · leaf 91
ig 99),and the vice (Fig. 100). 80 MACHINES ILLUSTRATIVE PROBLEMS 1. Why should shears for cutting inetal have short blades and longhandles ? 2. In the driving mechanism of a self-binder, shown in Fig. 101, the driving-wheel Ahas a diameterof 3 feet, thesprocket - wheelsB and C have40 teeth and… … FiS. drawn forward by thehorses. On its axis is the sprocket-wheel B, and this, by means of the chain drives the sprocltet-wheel C. The what puU on the latter drives the cog-wheel D which, again, drives the cog-wheel £, , . . , , and this causes the shaft F with the crank G on its end to rotate.…
Physics
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