Mechanical movements, powers, devices and appliances (1901)
Hiscox, Gardner Dexter, 1822?-1908 · New York, N. W. Henley & company · leaf 189
669. FIRE EXTINGUISHER.—The tankis filled with a saturated solution of bicarbo-nate of soda in water to five-sixths of its capac-ity. A small glass bottle filled with sulphuricacid, with a loose lead stopper, is placed in acage at the top of the tank, and the cover ofthe tank fastened. To use, turn… … 670. COMPRESSED AIR LIFT^, Clayton ^model. Showing safety stop on the piston rod,which automatically stops the lift at any set pointby closing the air valve.
Mechanical movements
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