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 538
nterrupter is preferable, allowing aselection of the various sized points. For practical work the three point type is the more successful. When agreat volume of current is necessary for radiographic work, theheavy point is used; for medium or lighter work, the medium point,and for prolonged… … Fig. 4,619.—Muffler for Wehnelt electrolytic interrupter. There is a slight noise when theelectrolytic interrupter is in action due to the generation of sulphide of hydrogen gas.This is hardly objectionable, but as patients are usually in a nervous condition and asound may figure as a disturbing…
Electrical engineering
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