Public domain
R. Davis of Bu. of Standards with camera for testing photographic materials, 6/16/25
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
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Credit lineR. Davis of Bu. of Standards with camera for testing photographic materials, 6/16/25. 1925-01-01. National Photo Company Collection, Library of Congress. Public domain.
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R. Davis of Bu. of Standards with camera for testing photographic materials, [6/16/25
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