Handbook for the use of electricians in the operation and care of electrical machinery and apparatus of the U.S. seacoast defenses (1902)
United States. War Dept, Anderson, George Lucius, 1849-1934 · Washington, Govt. Print. Off. · leaf 124
121. Rheostat for U. S. Government Projector. (90) … 120. 60=inch Diameter Schukert Search Light at Fort Monroe. SEARCH-LIGHT PROJECTORS. 91 All projectors are fitted with horizontal automatic ratchet-feed focusing lamps. The lamps are designed to throw the greatest possible amount of light on thereflector, and screen shutters are provided to prevent…
Electric machinery · Searchlights · Coast defenses
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
