Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 186
653. SINGLE VALVE AIR PUMP.—The upper part of the cylinder is perforated, so thatthe piston when drawn up produces a partial vac-uum, and when past the perforation the air orgas rushes in to fill the cylinder. The one valveholds the pressure in the delivery pipe. # ^ 654. CRANK EQUALIZING ANGLE in… … 176 AIR POWER APPLIANCES. mm^^
Mechanical movements
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
