Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 527
ta. (See Figs. 13 and 14.)2. By time scale, using a Jones non-intermittent sensitometer, Fig. II. 2.0 1.0 No.l Experimental Emulsions No.2 orig. plates ... c /^ ZO C / <b / cQ / /.O / y Yc. = Z.^2 ___^^ Y^^Z.&I Log. Exposure Log. Exposure l.O 1.0 0 0.5 1.0 1.5 1.5 0 0.5 1.0 1.5 2:0 measuring… … III. NATURE OF SENSITIVITY AND RELATION TO GRAIN SIZE. The data summarized in the second section of this paper show,as between different emulsions (mostly of the same fundamentaltype), a steady progression of speed with grain size. This Oct.. 1922.] Studies ix Photographic Sensitivity. 513…
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