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 176
time the paperis shifted, the pen resting in this opening and in contact with the ink when theinstrument is not in use. (c) Installing. The instriiments are furnished with a suitable backboard, the connectionsbeing made between the instruments and the circuits on the backboard by auto-matic contact… … 168. In Operation. TELEGRAPHY. 127 (d) Operation. 1. To ivrite.—Depress button with pencil point and pull lever towards you afull stroke; release button with lever in this position, and write with firm pres-sure on paper. 2. To shift imper.—Depress button, holding it down until you have movedlever…
Electric machinery · Searchlights · Coast defenses
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