Tissandier, Gaston, 1843-1899, Frith, Henry, 1840-, Harry Houdini Collection (Library of Congress) DLC · London, New York [etc.] Ward, Lock & Co · leaf 646
other industries, and for oursocial benefit. Compressed air is a powerful motor forboring machinery in tunnels where steam cannot be used,even if water could be supplied, for smoke or fire wouldsuffocate the workers. To air we owe our life and ourhappiness on earth. Pneumatics, then, deals with the… … The Pump, 84 GASES AND LIQUIDS. the genii which came out of the bottle and obliginglyretired into it again to please the fisherman. We haveseen that the pressure of the air is 14* lbs. per square inchat a temperature of 3 2°. It is not so easy to determine
Scientific recreations
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