Handbook for the use of electricians in the operation and care of electrical machinery and apparatus of the U.S. seacoast defenses (1902)
United States. War Dept, Anderson, George Lucius, 1849-1934 · Washington, Govt. Print. Off. · leaf 38
rly packed. (k) the pisto?^ valve iis^ commojf use isbai.a:n^ced. This valve is cylindrical and usually hollow. Steam passes over its edges onall sides and does not force the valve against its seat witn unnatural pressureas in the case of the D-slide valve. Its action is precisely the same and the… … 24a. The Cylinder and Valve. To the latter class belongs the valve (fig. 34a) of the Armington & Simsengine, shovni in the lead position. Live .steam surrounds the valve andfills its interior through one or the other of its end openings. Steam hasalready started into the head-end port from the…
Electric machinery · Searchlights · Coast defenses
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