Journal of the Illuminating Engineering Institute of Japan
Online ISSN : 2185-1506
Print ISSN : 0019-2341
ISSN-L : 0019-2341
A NEW METHOD OF PHOTOGRAPHIC SPECTRO-PHOTOMETRY.
Toshio Abe
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1928 Volume 12 Issue 5 Pages 280-283

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Abstract
A new apparatus for photographic spectrophotometry is described.It is quite easy in construction and employment, and may be used so far as the photo graphic record is made, with the highest degree of accuracy.
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