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 53
43. Fig. 4:3 is a 2-pole, 8-coil, ring wind-ing. Arrows show direction ot cur-rents. Fig. 44 is a 2-pole, 8-coil, lap, drumwinding. Back pitch, -( 7; front pitch,— 5. 44 HANDBOOK FOR ELECTRICIANS.
Electric machinery · Searchlights · Coast defenses
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