Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 508
inst either the intensify, for constant time ofexposure, or the time for constant intensity. We have done thisfor Slade and Higsons data, with the results shown in Figs, i,and 2, Intensity Scale. Oct., 1922.] Studies ix Photographic Sensitivity 493 In experiments i, 2 and 3 (Fig. i) (with… … p r t / / 1 / K \\ \\ \\ 11 E.xpx. 10 1 0.5 1.0 100 P r1 j, E^pt.ll 50 11 if1 1 1\ \ \ \ T 10
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