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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 108

An illustration from Handbook for the use of electricians in the operation and care of electrical machinery and apparatus of the U. S. seacoast defenses .., 1904, leaf 108
m theinduced extra current. 3. In addition, a motor requires to be protectedagainst sudden excess of current by an overloadautomatic circuit breaker in one or both of its feed-ers, which is quicker and more certain than a fuse;also by an underload automatic circuit breaker againstthe fall of the…

Electric machinery · Searchlights · Coast defenses

Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.

More pictures from Handbook for the use of electricians in the operation and care of electrical machinery and apparatus of the U. S. seacoast defenses ..

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