Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 526
11150 0.5 1.0 1.5 2.0 2.5 A -diam. in fj 0.5 1.0 1.5 2.0 25 J.0 3.5 B ~ area in ^ ZOO 800 ^ 115 1 700c 0-/50 ^6001a/^5 5 500 Fig. 10. High Speed 6999 grains measured^.78 X 10^ grains per sq cm film.= N X =2.198 p^° = size - frequency per 1000 grains, obsA = size~ frequency per 1000 grains, calc u =…
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Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
