1 April 1937, Volume 27, Issue 4, pp. 146-176  
5 articles

A Photometric Comparison of Absorption Lines

J. Opt. Soc. Am. 27(4), 147-149 (1937)  View: HTML | PDF

A Direct Reading Comparator for Spectra

J. Opt. Soc. Am. 27(4), 150-154 (1937)  View: HTML | PDF

Analysis of the Spectrum of Hydrogen

J. Opt. Soc. Am. 27(4), 155-158 (1937)  View: HTML | PDF

Glass Color Filters for Special Applications

J. Opt. Soc. Am. 27(4), 159-164 (1937)  View: HTML | PDF

The Constancy of the Blue Arc Phenomenon

J. Opt. Soc. Am. 27(4), 165-176 (1937)  View: HTML | PDF