1 September 1931, Volume 21, Issue 9, pp. 531-614  
7 articles

The Applicability of Photoelectric Cells To Colorimetry

J. Opt. Soc. Am. 21(9), 541-563 (1931)  View: HTML | PDF

Notes

J. Opt. Soc. Am. 21(9), 563-563 (1931)  View: PDF

Spectrophotometry at the Bureau of Standards1

J. Opt. Soc. Am. 21(9), 564-587 (1931)  View: HTML | PDF

Notes

J. Opt. Soc. Am. 21(9), 587-587 (1931)  View: PDF

Some Comparative Spectrophotometric Measurements

J. Opt. Soc. Am. 21(9), 588-604 (1931)  View: HTML | PDF