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 107
tant current, it may be safely overloaded tothe point of stopping; if constant i)()tential, it may run one-half hour on 25 percent overload. It is suited to variable speed work as in railroads, automobiles,hoists and machines which require increased torque when slowed down fromoverload and have au…
Electric machinery · Searchlights · Coast defenses
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
