Electrical engineer's pocket-book: a hand-book of useful data for electricians and electrical engineers (1901)
Foster, Horatio A. (Horatio Alvah), 1858-1913 · New York, D. Van Nostrand co.; London, E.& F.N. Spon, ltd. · leaf 680
n the line and causes all the bells to ring. It ispreferable to have the batteries so connected up that if two or more signal-ing keys should be depressed at once the batteries will agree in polarity.When the receiver hook is up the battery is connected in series with thetransmitter and the primary… … Fig. 43. Series Party System using only Battery at each Station for bothTalking and Signaling. In this, as in previous series systems, with the exception of Fig. 42, thetalking current must flow through the signaling bells at idle stations. Theadvantage of the system is obviously that it eliminates…
Electrical engineering
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
