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 651
ant 1begins with the west relay instead of east. the distant east opensX, through whose tongue and postuld open relay, W, and thereforesmitter, T, opens, the extra localdent armature, P, which is drawnholding closed the points of relay.■ east line, which passes throughvest breaks and sends, the… … introduced here because it involves the principle of differentiation in mag-net coils, which plays so important a part in duplex telegraphy. As in theMilliken, there are three distinct circuits in duplicate ; and in the diaj the parts performing like functions in the twro types of repeaterlarky…
Electrical engineering
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer03inte-195-113.webp)
