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 131
e connected to the operating drums on the projector byropes. 3. The E. C. projector, mounted upon a low truck, stands by itself under can-vas cover in a dry, dust-proof, sun-lighted room, from which it may be run outto any desired point within 1,000 feet of the switch board and dynamo, and…
Electric machinery · Searchlights · Coast defenses
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
