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 136
se of a socketwrench, while the current is on, is quite sure to short-circuit the lamp and pro-duce overload. The mushroom appears as a small protuberance on the end of a carbon and isof a pasty consistency. It can readily be removed by the end of a screw-driver.Ordinary attention to the working of… … 128a. Parts of Projector and Controller. 1. Parts of jirojector and controller are as follows: hand star wheel for slow vertical movement,wheel for throwlnji out split nut used for connect-ing or disconnecting the drum from the basemechanism. wheel for slow horizontal movement,hand star wheel for…
Electric machinery · Searchlights · Coast defenses
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