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 88
series field may be openedto raise the voltage. The ten end cells, active or nonactive, may be gradually added or subtractedfrom the main battery, as required, by an end cell switch. Its arm consists oftwo parallel brass bars sliding on the stops and on two different brass rings con-nected by… … 87. Key West Switchboard. THE SWITCHBOAKl). 63 (F) THE c;oIjI>kn gate board. Tlie Goldon Ciatf> board (fig. 88) distrihutes current to three points, 1,500 and2.000 feet apart, eaeh having its own battery for a reserve. The generator andNo. 2 stations are together. Battery and himpscan be…
Electric machinery · Searchlights · Coast defenses
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