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A Concise Method for Reducing Photographic Spectrograph Calibrations

โœ Scribed by Jacobson, L. A.


Book ID
115320591
Publisher
The Optical Society
Year
1968
Tongue
English
Weight
724 KB
Volume
7
Category
Article
ISSN
1559-128X

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A new method of photographic evaluation
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## Abstract A simple nomographical method of evaluation of minor constituents is given which, provided that the density values all fall on the straight line portion of the H & D curve of the emulsion used, is independent of gamma variation. When the nomograph is drawn, not only docs it correct for