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 405
Plate XVIII. THE NEBULA IN ORION. From the drawing by Professor G. P. Bond, 1859-63. … Plate XIX. THE NEBULA IN ORION. Phctographed at Lick Observatory, November ]6, if EVOLUTION OF THE HEAVENS 341 but a luminous gas. Stars after the order of our own sun, and ofthe brighter stars, would give a difiPerent spectrum; the light ofthis nebula had clearly been emitted by a luminous gas.…
Fire · Electricity · Color photography
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