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 186
174. Common Battery, 10 Stations. coils on either side of the transmitter circuit to prevent cross talk when morethan two stations communicate. 3. The Holtzer-Cabot system is extensively used (fig. 175). ^ i.i … TELEPHOXY. 13:3 (H) A CEXTllAT^ STATIOX SYSTEM Sometimes required, is shown for—40 line drops, 1 per station, ^4.10 clearing-out drops, B.10 pings with double cords, C.10 listening keys, E, for 10 connections.10 sets ringing kevs, F, for 10 connections. Operators transmitter.Operators…
Electric machinery · Searchlights · Coast defenses
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
