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 118
allparts operate properly when the motor is partially and fully loaded. If a motor fails to start after beginning to cut out the resistance, turn theswitch off to prevent accident before beginning to explore. With a voltmeter,or with the hands on low potentials, ascertain if the supply is present.… … 112. W=e S. and S. Box. If motor terminals show potential and poles have no magnetism, there is abreak in the field of a shunt or compound motor, or between the terminals of aseries. But if the poles are magnetized, see if brushes are at the neutral pointand pressed down, if commutator is clean, if…
Electric machinery · Searchlights · Coast defenses
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
