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 136
pleted, so that the starting magnet will draw the carbonsapart about \ inch, thus striking the arc. As the carbons burn away the arcbecomes longer and the voltage across the arc increases. More current is thuscompelled to pass through the feeding magnet in shunt with the arc. Its… … Coils ror the star-ting magnet of 24 lamps ar-e connected in nnultiple as shown Coils Tor 16.30 and 36 lanaps are connected in series. Contact Shoe
Electric machinery · Searchlights · Coast defenses
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