Wall, E. J. (Edward John), 1860-1928 · Boston, Mass., American Photographic Publishing Co. · leaf 235
d arrangement a “polyfolium dialyticum.” But J. W. Bennetto, in 1897, suggested a semi-dialyte system, in which one plate receives one image direct, and two plates at right angles to the former receive the other two images. This simplifies matters considerably, and there is no reason why this… … front, C is a reflector at an angle of 45 ° which throws some of the light to where is placed a bi-pack of two sensitive plates with their surfaces in contact with a filter in between, while D is the filter for the single plate. Obviously this can be turned upside down and the two plates placed at…
Color photography
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