1 March 1950, Volume 40, Issue 3, pp. 123-182  
19 articles

Dean George R. HarrisonFrederic Ives Medalist for 1949

J. Opt. Soc. Am. 40(3), 123-126 (1950)  View: HTML | PDF

Retrogression in Spectroscopy

J. Opt. Soc. Am. 40(3), 127-134 (1950)  View: HTML | PDF

Variation of Visual Acuity with Various Test-Object Orientations and Viewing Conditions

J. Opt. Soc. Am. 40(3), 135-137 (1950)  View: HTML | PDF

Method of Colorimetric Integration Using Punched-Card Accounting Machines

J. Opt. Soc. Am. 40(3), 138-140 (1950)  View: HTML | PDF

Channeled Infra-Red Spectra Produced by Birefringent Crystals

J. Opt. Soc. Am. 40(3), 141-142 (1950)  View: HTML | PDF

The Spatial Photographic Recording of Fine Interference Phenomena

J. Opt. Soc. Am. 40(3), 143-146 (1950)  View: HTML | PDF

On the Interference Color of Thin Layers on Glass Surface

J. Opt. Soc. Am. 40(3), 146-149 (1950)  View: HTML | PDF

The Compensation for Seeing in Stellar Photoelectric Spectrophotometry

J. Opt. Soc. Am. 40(3), 149-152 (1950)  View: HTML | PDF

The Torus Grating

J. Opt. Soc. Am. 40(3), 153-165 (1950)  View: HTML | PDF

Color Correction with Colored Couplers

J. Opt. Soc. Am. 40(3), 166-171 (1950)  View: HTML | PDF

Slit-Width Effects in Spectrophotometry

J. Opt. Soc. Am. 40(3), 172-176 (1950)  View: HTML | PDF

Comment on “Spark Spectra of Elements 43 and 61”

J. Opt. Soc. Am. 40(3), 177-177 (1950)  View: HTML | PDF

Bronze Glass Molds Replacing Cast Iron Glass Molds

J. Opt. Soc. Am. 40(3), 177_1-177 (1950)  View: HTML | PDF

Accurate Thickness Measurements with a Fabry-Perot Interferometer

J. Opt. Soc. Am. 40(3), 177_2-178 (1950)  View: HTML | PDF

Wave-Lengths of the Potassium Lines 3446A and 3447A

J. Opt. Soc. Am. 40(3), 178-178 (1950)  View: HTML | PDF

An Integrating Sphere for Reflectance Measurements in the Ultraviolet

J. Opt. Soc. Am. 40(3), 178_1-179 (1950)  View: HTML | PDF

Some New Infra-Red Phosphors

J. Opt. Soc. Am. 40(3), 179-180 (1950)  View: HTML | PDF

A Variable Frequency Electronic Interrupter for the Direct Current Arc

J. Opt. Soc. Am. 40(3), 180-180 (1950)  View: HTML | PDF

Book Reviews

J. Opt. Soc. Am. 40(3), 181-182 (1950)  View: HTML | PDF