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 64
NEGATIVE CARBOM CONDENSER CONDENSERAXIS Fig. 3,859.—Motion picture arc for direct current. The advance displacement, say \i inch,causes the upper carbon to burn with a diagonal end containing the brilliant crater andthe light is accordingly thrown toward the condenser. That is to say, the positive…
Electrical engineering
Internet Archive · Brigham Young University · Public Domain Mark 1.0. Free to use for anything.
