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 32
om the instrument, will cause the leaves torepel one another. If the knob be brushed with only a small 12 HAWKINS ELECTRICITY camels hair brush, the slight friction produces a perceptibleeffect. With this instrument all kinds of friction can be shownto produce electrification. The gold leaf…
Electrical engineering
Internet Archive · Brigham Young University · Public Domain Mark 1.0. Free to use for anything.
