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 284
famousThe Photophone. passagc pictures Uriel sliding from hea-ven to earth on a sunbeam; if the poethad bidden him speak through the sunbeam so that heneed not have descended from the sky, he would not havemore boldly departed from unpoetical facts—as facts werewithin the ken of practical men in… … Fig. 79. Photophone. is thrown from the sun or a powerful lamp by the mirror Mand the lenses A and L. As B vibrates in unison with thevoice the rays of light reflected from B through the lens Rto the distant parabolic mirror CC have undulations cor-responding to those of the spoken words. How shall…
Fire · Electricity · Color photography
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![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten07unit-337-227.webp)
