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 500
form of construction is adopted on account of the unusually heavy torque and theexcessive overloads to which the motors are liable to be subjected in heavy railroad service.The control comprises two master controllers located in the cab. There are two four wheeltrucks with articulated coupling.…
Electrical engineering
Internet Archive · Brigham Young University · Public Domain Mark 1.0. Free to use for anything.
