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 235
r on any wire going over a house or stretchedin the air. Hold the other clip in the palm of the hand. Thus, by usingthe human body as a capacity, wireless telegraph or telephone messagescan readily be heard without interference. Do not connect the clip held in the hand to any grounded pipe…
Electrical engineering
Internet Archive · Brigham Young University · Public Domain Mark 1.0. Free to use for anything.
