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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 62

An illustration from Handbook for the use of electricians in the operation and care of electrical machinery and apparatus of the U. S. seacoast defenses .., 1904, leaf 62 — II. United States fuse-firing djmamo (fig. 61)is series wound, self-exciting. The Siemensarmature coil is revolved eight times by meansof its pinion gearing into the ratchet bar R whenpushed down. At the end of the stroke the barstrikes and opens the short-circuiting key P andallows the fiill…

Electric machinery · Searchlights · Coast defenses

Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.

More pictures from Handbook for the use of electricians in the operation and care of electrical machinery and apparatus of the U. S. seacoast defenses ..

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