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
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.