The Combined Effect of Infra-Red Radiation and Intensification upon the Photographic Latent Image

L. Fortmiller, T. H. James, R. F. Quirk, and W. Vanselow

J. Opt. Soc. Am. 40(8), 487-496 (1950)  View: HTML | PDF

A Ratio-Recording Double-Beam Infra-Red Spectrophotometer with Automatic Slit-Control*†

D. F. Hornig, G. E. Hyde, and W. A. Adcock

J. Opt. Soc. Am. 40(8), 497-503 (1950)  View: HTML | PDF

A New Mounting for an Echelette Diffraction Grating

J. H. Greig and W. F. C. Ferguson

J. Opt. Soc. Am. 40(8), 504-506 (1950)  View: HTML | PDF

Announcements

J. Opt. Soc. Am. 40(8), 506-548 (1950)  View: PDF

The Attenuation of Brightness Contrast Caused by Atmospheric Optical Haze

Howard S. Coleman and Harold E. Rosenberger

J. Opt. Soc. Am. 40(8), 507-508 (1950)  View: HTML | PDF

On the Existence of “Sub-Bands” in the Luminescence Emission Spectrum of Manganese Activated Zinc Silicate

Clifford C. Klick and James H. Schulman

J. Opt. Soc. Am. 40(8), 509-516 (1950)  View: HTML | PDF

Theory of the Luminescence of Sulfide Phosphors

Shepard Roberts and Ferd E. Williams

J. Opt. Soc. Am. 40(8), 516-520 (1950)  View: HTML | PDF

Lens Centering in Microscope Objectives

Glenn Wooters

J. Opt. Soc. Am. 40(8), 521-523 (1950)  View: HTML | PDF

Measurement of Photographic Transmission Density

K. S. Weaver

J. Opt. Soc. Am. 40(8), 524-536 (1950)  View: HTML | PDF

Recent Investigations in the Far Infra-Red

T. King McCubbin and William M. Sinton

J. Opt. Soc. Am. 40(8), 537-539 (1950)  View: HTML | PDF

Refractive Index of Silver Chloride for Visible and Infra-Red Radiant Energy

Leroy W. Tilton, Earle K. Plyler, and Robert E. Stephens

J. Opt. Soc. Am. 40(8), 540-543 (1950)  View: HTML | PDF

Group for the Advancement of Methods in Spectrography

J. Opt. Soc. Am. 40(8), 543-543 (1950)  View: PDF

A Method for the Determination of Optical Constants of Semitransparent Films

Max S. Oldham, L. G. Mundie, F. Matossi, and B. F. Cheydleur

J. Opt. Soc. Am. 40(8), 544-544 (1950)  View: HTML | PDF

Book Reviews

J. Opt. Soc. Am. 40(8), 545-545 (1950)  View: HTML | PDF

News from the Local Sections of the Optical Society of America

J. Opt. Soc. Am. 40(8), 545_1-546 (1950)  View: PDF

Announcements

J. Opt. Soc. Am. 40(8), 547-547 (1950)  View: PDF

Trade Publications

J. Opt. Soc. Am. 40(8), 548-548 (1950)  View: PDF