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 14
rate anycurrent. 226 HAWKINS ELECTRICITY Numerous attempts have been made to utilize this part of the windingby making the pole pieces extend around the ring in such a mannerthat lines of force will pass to the inside of the ring, also by arrangingan additional pole piece on the inside of the… … Fig. 251.—Illustrating the principle of Siemens drum winding. In order to make the windingand connections clear, one coil and the commutator is shown assembled, although thelatter is not put in place until after all the sections have been wound, the ends of thewires being temporarily twisted…
Electrical engineering
Internet Archive · Brigham Young University · Public Domain Mark 1.0. Free to use for anything.
