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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 182

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 182 — latter attracts its armature end.A negative C makes the other iV-pole attract its armature end, and so on. Asthere is no spring to be overcome, a polarized relay is very sensitive and deservesattention on account of its importance in the service. For the magneto whichgenerates the alternating -i-…

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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