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
ec- ONB*-. tricity. Letthere Fig. 34. be two copper Electrical induction. wires, said he, parallel to and near e,ach other. Send a current throughthe first and a momentary current is induced in the second(Fig. 34). Vary the quantity of the primary current, orbreak it off completely, and at once… … Fig. 27.Voltas crown of cups.
Fire · Electricity · Color photography
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