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 231
that when a filamentand metal wing are sealed in an evacuated glass globe, a current 2,322 HAWKINS ELECTRICITY of electricity will cause a flow of ions to pass from the filamentto the wing while the filament is heated, but they will not passfrom the wing to the filament. Accordingly, if the… … TRANSFORMATIONRATIO CHANGER SECONDARYTERMINALS Fig. 3,176.—D and W tuner. This tuner is not loosely coupled, but has primary and secondarywires wound side by side throughout its length, the primary being varied by sliding con-tacts running along brass rods and the secondary tapped every few turns…
Electrical engineering
Internet Archive · Brigham Young University · Public Domain Mark 1.0. Free to use for anything.
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