Champlin, Harry. Champlin on fine grain, [electronic resource] / by Harry Champlin.. — San Francisco, Calif., : Camera Craft Pub. Co., [1938]. — 160 p. : illus. 21 cm.
"Second edition revised, November, 1938." "Chemicals ... by Samuel Fox": p. [129]-154. "Advertisements": p. [155]-160.
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Photography--Developing and developers. Photography--Films.