Flame, electricity and the camera; man's progress from the first kindling of fire to the wireless telegraph and the photography of color (1900)
Iles, George, 1852-1942 · New York, Doubleday & McClure co. · leaf 140
NDARy. tricity. Letthere Fig. 34. be two copper Electrical induction. wires, said he, parallel to and near each other. Send a current through the first and a momentary current is induced in the second (Fig. 34). Vary the quantity of the primary current, or break it off completely, and at once there… … Fig. 27.Voltas crown of cups.
Technology · Fire · Electricity · Photography
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