A test of lens resolution for the photographer.

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Bibliographic Details
Online Access:	Full Text (via ProQuest)
Corporate Author:	United States. National Bureau of Standards
Format:	Government Document eBook
Language:	English
Published:	[Washington] : [publisher not identified], 1941.
Subjects:	Photography. Photographic lenses.

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Full Text (via ProQuest)

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Call Number:	C13.4..428
C13.4..428	Available