NASA NTRS · 19650000083
Modified contour projector makes excellent contour densitometer
Abstract
Thin glass beam splitter, densitometer head, and densitometer electronics are incorporated in a standard contour projector. The density contour of small areas of photographic film can be read. This instrument can be used as a research tool in process engineering.
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Exton, R. J.. 1965-03-01. Modified contour projector makes excellent contour densitometer. https://ntrs.nasa.gov/citations/19650000083
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