Merchant, F. W. (Francis Walter), 1855-1937, Chant, Clarence Augustus, 1865-1956 · Toronto : Copp Clark · leaf 90
E with C. When the train is running, pressure is maintained in the pipes, andthe brakes hang free, but when the pressure is decreased, either purposelyby the engineer or bythe accidental breakingof a connection, theair rushes from E intoC, forces the piston Fforward and the brakesare set. To take… … Fio. 96.—Divers suit. 87. Diving Suits. The modern diver is
Physics
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