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 16
3. Upright Boiler. 1. K, smokestnck ; II. wri^lit safety vnlve ;O. ffeii l>ii>o; .S. .<tciim spiuc, /, priS-iurcjriiiif : ( ■, KiiiiK cocks ; I, wiittT liiu; I t,fiir niliis: .V, fceti pipt- with stup viilvc;M MM. tmn.l holi-s; o .i. stay l.olta ; F. fireItX ; E. gnito ; U, ash pit; k,… … it escapes through the channels C, C. The channels are, however, not large enoughto allow the steam to escape from the chamber as fast as it enters, and hence thepressure in the chamber rises and acts on the area inside the seat M. This addi-tional pressure throws the valve wide open andquickly…
Electric machinery · Searchlights · Coast defenses
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