Merchant, F. W. (Francis Walter), 1855-1937, Chant, Clarence Augustus, 1865-1956 · Toronto : Copp Clark · leaf 63
Fio, 55.—Hydraulicelevator. CANAL LIFT-LOCK 55 60. Canal Lift-Lock. The hydraulic lift-lock, designed to takethe place of ordinary locks where a great difference of level is found … Fig. 56. -Hydraulic lift-lock at Peterborougfh, Ont., capable of lifting a 140-footsteamer 65 feet. in short distances, is another applicationof the principle of equal transmission.Fig. 56 gives a general view of thePeterborough Lift-Lock, the largest ofits kind in the world, and Fig. 57 isa simple…
Physics
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