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 283
Ques. How is the bell set for continuous operation? Ans. By placing control lever in multi-strike position, 2.374 HAWKINS ELECTRICITY In this position when the control lever is raised by the electromagnetthe pawl engages with the V shaped depression, thus holding the controllever out of engagement…
Electrical engineering
Internet Archive · Brigham Young University · Public Domain Mark 1.0. Free to use for anything.
