Notes

J. Opt. Soc. Am. 40(9), 549-617 (1950)  View: PDF

The Arc and Spark Spectra of Gadolinium

Henry Norris Russell

J. Opt. Soc. Am. 40(9), 550-575 (1950)  View: HTML | PDF

An Extension of Toraldo’s Theory of Phase Contrast. II

L. Ivan Epstein and Donald R. Herriott

J. Opt. Soc. Am. 40(9), 576-578 (1950)  View: HTML | PDF

Temperature Dependence of the Emission of an Improved Manganese-Activated Magnesium Germanate Phosphor

Luke Thorington

J. Opt. Soc. Am. 40(9), 579-583 (1950)  View: HTML | PDF

The Effect of Intermittent Preadapting Light upon Subsequent Dark Adaptation in the Human Eye

F. A. Mote, A. J. Riopelle, and D. R. Meyer

J. Opt. Soc. Am. 40(9), 584-588 (1950)  View: HTML | PDF

Loci of Constant Hue and Brightness Determined with Various Surrounding Colors

David L. MacAdam

J. Opt. Soc. Am. 40(9), 589-595 (1950)  View: HTML | PDF

Measurement of Small Color Differences in Tomato Purees

S. G. Younkin

J. Opt. Soc. Am. 40(9), 596-599 (1950)  View: HTML | PDF

Parageometrical Optics

G. Toraldo di Francia

J. Opt. Soc. Am. 40(9), 600-602 (1950)  View: HTML | PDF

The Ultimate Limits of Sensitivity of Lead Sulfide and Telluride Photo-Conductive Detectors

T. S. Moss

J. Opt. Soc. Am. 40(9), 603-607 (1950)  View: HTML | PDF

A Rapid Scanning Spectrometer for Oscillographic Presentation in the Near Infra-Red

B. W. Bullock and S. Silverman

J. Opt. Soc. Am. 40(9), 608-615 (1950)  View: HTML | PDF

Growth of Silver Filaments and Dendrites

Chester R. Berry

J. Opt. Soc. Am. 40(9), 615-617 (1950)  View: HTML | PDF

Society for Applied Spectroscopy

J. Opt. Soc. Am. 40(9), 617-617 (1950)  View: PDF

Estimation of Ionization Potentials by Comparison with Neighboring Elements

Henry Norris Russell

J. Opt. Soc. Am. 40(9), 618-619 (1950)  View: HTML | PDF

Book Reviews

J. Opt. Soc. Am. 40(9), 620-620 (1950)  View: HTML | PDF

On Sensitive Color

Hiroshi Kubota

J. Opt. Soc. Am. 40(9), 621-621 (1950)  View: HTML | PDF

On a Method for the Calibration of Photographic Emulsions

Dora G. Kowalewski and Valdemar J. Kowalewski

J. Opt. Soc. Am. 40(9), 621_1-622 (1950)  View: HTML | PDF

On the Fluorescence and Phosphorescence Emission Spectra of Manganese-Activated Zinc Silicate

James H. Schulman and Clifford C. Klick

J. Opt. Soc. Am. 40(9), 622-623 (1950)  View: HTML | PDF

A Method of Determining Concurrently the Thickness and Refractive Index of a Thin Film or Lamina

P. D. Fochs

J. Opt. Soc. Am. 40(9), 623-623 (1950)  View: HTML | PDF

A Dividing Gear for a Ruling Engine

Edward Leibhardt

J. Opt. Soc. Am. 40(9), 623_1-624 (1950)  View: HTML | PDF

News from the Local Sections of the Optical Society of America

J. Opt. Soc. Am. 40(9), 625-626 (1950)  View: PDF