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 81
ion to every dynamo, motor, and battery against overload andunderload. Measurements of C and V of any part desired and of leakage. The details of apparatus are given in figs. 79 and 80. The same apparatus isindicated by symbols for other boards. The best switchboard arrangementto be found in forts… … 78. W=e Switch Board Front. 66 THE SWITCHBOARD. 57 3. 6-point voltmeter switch on battery panel connected to give at will thevoltage (a) between bns bars, (6) of first half battery, (c) of second half battery,(f/)of whole battery, (c) V)etween -• bar and ground, (/) between — ])ar and…
Electric machinery · Searchlights · Coast defenses
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
