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 332
night, or where light fromthe sky is not available, two Welsbach burners, suitably ar-ranged, are employed. The construction of the kromskop is outlined in Fig. 84.Af B, and C are red, blue, and green glasses, against which^ the corresponding \ images of the \^^^:^ colour record are placed. D and… … Fig. 84.Ivess Kromskop. from above. The operation of the instrument is as fol-lows : The green images are seen directly, in their positionat C, through the transparent glasses D and E. The blueimages are seen by reflection from the surface of the glassE, which makes them appear to occupy the same…
Fire · Electricity · Color photography
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