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 180
urrent goes to line. 3. \Vlien the receiver is ou the hook lever for calling, the circuit between terminals is— 1. Bells, 3. 1. H, L, A, bells, 3. 4. When receiver is on and the crank is turned to call, the circuit is— 1. A, armature, 3.) 1. H, L, A, armature, bells, 3. 1. Bells, 3. I 5. When the… … M 1 \ I f 170. Complete Details of Bridge Telephone. (Porous rup and Htiydeu cells shown ; use one kind only.) 130 HANDBOOK FOR ELECTRICIANS. 6. Five bridge or four series telephones are the limit on one circuit. Whenmore are required (as will rarely happen) a central exchange or a party line…
Electric machinery · Searchlights · Coast defenses
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
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