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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 (1902)

United States. War Dept, Anderson, George Lucius, 1849-1934 · Washington, Govt. Print. Off. · leaf 63

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, 1902, leaf 63 — by varying the resistance of a coil inseries with it. The compound winding uses both methods of regulation. (B) SPECIAI. SERVICE GENERATORS. I. The telephone call box dynamo (fig. 60) hasthree permanent magnets 31 to create its field.The single Siemens armature coil C, of fine wire,has one end…

Electric machinery · Searchlights · Coast defenses

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

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