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 123
tionA repeater, Pa, thence through section A battery, and toground. The circuit maker of each repeater is connected tothe button switch and to main battery as shown. NOTE.—The author objects to the use of the word repeater for the collection of instru-ments necessary to permit repeating in both… … TOU2 bO |6| IP g a Ques. What isthe object of thebutton switch? Ans. It providesmeans for cuttingout or closing thecircuit around thebreaking points ofeach sounder, other-wise the apparatuswould remain un-opened. Ques. Describethe operation ofthe button re-peater. Ans. If, say, sec-tion B line…
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-electricengineer04inte-395-172.webp)