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 141
, the shunt fields cl both motors areexcited. Either motor is started by turning the controller handle right or left,up or dcwai, sufficiently to slide A B or A B away from their respective brusheson one side. If to the right in the horizontal training mechanism, the currentflows through the… … -D-CB For Use in Assembling. Likewise for the vertical training mechanism andmotor. While the slides ^4 B, A B are at themid ])ositions shown, all rheostat coils are in themotor armatiires ciicuits which are short-circuitedand can not therefore revolve. But when ^-1 B orA 7? is moved in either…
Electric machinery · Searchlights · Coast defenses
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
