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 82
ery feed. Effect: Battery of insuffi-cient strength to talk andextensions cannot getswitchboard. Test byfirst removing wires frombinding posts at cross con-necting box and tappingwith test receiver or 24volt lamp strapped acrosswires of incoming feed. Iflamp light bright or re-ceiver click loud,… … Is ■ft c3» *1 1 m I ^-^F-^
Electrical engineering
Internet Archive · Brigham Young University · Public Domain Mark 1.0. Free to use for anything.
