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 131
SEARCH-LIGHT PROJECTORS. 93 (E) liAMP MECHANISM OF AEI. PROJECTORS. 1. Parts of lamp mechanism are as follows (fig. 124): A, negative carbon holder. 31, fixed nut for focusing screw. B, positive carbon holder. N, stud of lamp switch for cutting out C, clamping screws for carbon clamps. feeding…
Electric machinery · Searchlights · Coast defenses
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