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 28
20 HANDBOOK FOR ELECTRICIANS. In fig. 17 inside edge of valve going to left has reached ports inside edge.Release of steam or its exhaust to atmosphere begins. … 17. In fig. 18 inside edge of valve going to right has reached the ports inside edge,and compression of steam in the cylinder follows. Eccentric makes about thesame angle w^ith vertical through O as at release. Admission (fig. 13) next follows, and so on.
Electric machinery · Searchlights · Coast defenses
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
