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 402
ing from the earth, its lines are displaced tothe red end of the scale. In the case of Peta Aurigae thechange in the spectrum is so rapid that it is sometimesptible in quickly successive photographs, and becomesvery marked in the course of an evening: Plate XVII illustrates tins phenomenon. In Fig.… … 1 1 -■■. f ■ ■ ? 11 111 [l 1 j ii u ! : 11 i i SOLAR SPECTRUM COMPARED WITH THAT OF IRON.
Technology · Fire · Electricity · Photography
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