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 127
121. Rheostat for U, S. Qovemment Projector. (90) … !.(). oO-inch Diameter Schukert Search Li^ht at Fort Monroe. SEARCH-LIGHT PROJECTORS. 91 All proiectors are fitted with horizontal automatic ratchet-feed focusing lamps. The lamps are clesiRned to throw the greatest possible amount ot light ..n thereflector, and screen shutters are provided to…
Electric machinery · Searchlights · Coast defenses
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
