Hawkins electrical guide ... : questions, answers & illustrations : a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications ; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833-1928 · New York : T. Audel & Co. · leaf 98
f a magneto switch-board listening keynot making contact. Effect: The operator canring but cannot talk whenusing either cord connect-ing with that particularlistening key. 107. Trouble with sticky drops, signals, or night alarm springs on a magneto switchboard. Effect: The night alarm bell,which is… … Od-d >> O t-.6-9 o rt rt *> §£o^ o JhCO o >, 3 co p o.z, cd cu.t! „ »«»5&S«) 5,0,0 US*-1 U.H £ .SsoSS.S* q co fa rto ^^^ Jn-MF.t! -OT? *3-§* 3 o **^^o%tt~~9 O r «-i >> co ►* ^borf ^ 5 s w.t^ <u^ >>£S « fr^ .* cu o1^ ^ S° , >» a <u w fa c •a S^-» >,M rt WJ5…
Electrical engineering
Internet Archive · Brigham Young University · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer03inte-254-145.webp)
