Handbook for the use of electricians in the operation and care of electrical machinery and apparatus of the U. S. seacoast defenses .. (1904)
United States. War Dept · Washington, Govt. print. off. · leaf 37
d is similarly packed. (K) THE PISTOX VAIiVE IN COMMON USE ISBAI.ANCED. This valve is cylindrical and iisually hoHow. Steam passes over its edges onall sides aTid does not force the valve against its seat with unnatural i)i-essureas in the case of the D-slide valve. Its action is precisely the same… … 24a. The Cylinder and Valve. To the latter chiss belongs the valve (fig. 24a) of the Armington & Simsengine, shown in the lead position. Live .steam surrounds the valve andfills its interior through one or the other of its end oi)enings. Steam hasalready started into the head-end i)ort from the…
Electric machinery · Searchlights · Coast defenses
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
