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 54
eld of thesoft-iron field magnet core to give rise to a smallcurrent in the armature coil when revolved. This current flowing, wholly or inpart, through the winding of the field magnet, increases its magnetism andtherefore the number of lines of force in the field between the poles. The cur-rent in…
Electric machinery · Searchlights · Coast defenses
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
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