Hill, John A. (John Alexander), 1858-1916, Sinclair, Angus, 1841-1919 · New York : American Machinist Pub. Co · leaf 136
actly the presentsteam and exhaust ports. The large engraving on this page repre-sents this valve case with relief plate off,with lollower and one ring out of piston.In the peculiar construction of the rings is one of the main features; there areseveral rings or sections of rings, but theyare so… … of the rings is shown on the right of theengraving; they interlock, and the foursprings shown press outward on the wedge-shaped part of the segments, and it isplain to see that to push out one of theseis to force out the entire ring; by break-ing joints with these segments a perfectjoint is…
Railroads · Locomotives
Internet Archive · Carnegie Library of Pittsburgh · Public Domain Mark 1.0. Free to use for anything.
