Flame, electricity and the camera; man's progress from the first kindling of fire to the wireless telegraph and the photography of color (1901)
Iles, George, 1852-1942 · New York, Doubleday & McClure co. · leaf 160
FiG. 45.Geissler tube with extei-nal electrodes. 130 ELECTRIC LIGHT … Fig. 46. Glass sphere luminous between two metal plates. moved farther and farther from the tube, and may finallybe soldered to large sheets of metal forming walls as muchas fifteen feet apart; with pulses of redoubled tension any-where within these walls, the tubes or globes, exhausted asbefore,…
Fire · Electricity · Color photography
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