Machine drawing, a practical guide to the standard methods of graphical representation of machines, including complete detail drawings of a duplex pump and of a direct-current generator (1920)
Griffin, Charles Lewis, 1867- [from old catalog], Adams, Charles Clyde, 1882- [from old catalog] joint author · Chicago, American technical society · leaf 204
192 MACHINE DRAWING means that the piston on one side travels one-third of its strokebefore it picks up, through the valve levers, the valve on the otherside. During the second third of its travel it is bringing the valveto the point of opening. During the last third of its travel it isopening the…
Machinery
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.