1 November 1949, Volume 39, Issue 11, pp. 891-976  
22 articles

The Photographic Action of X-Rays in the 1.3 to 0.01A Range

J. Opt. Soc. Am. 39(11), 891-897 (1949)  View: HTML | PDF

Spark Spectra of Elements 43 and 61

J. Opt. Soc. Am. 39(11), 898-902 (1949)  View: HTML | PDF

Solar Spectroscopy with a Cashman Cell

J. Opt. Soc. Am. 39(11), 903-906 (1949)  View: HTML | PDF

A Modified Schlieren Apparatus for Large Areas of Field

J. Opt. Soc. Am. 39(11), 907-908 (1949)  View: HTML | PDF

Pyrometer for Measurement of Instantaneous Temperatures of Flames

J. Opt. Soc. Am. 39(11), 909-911 (1949)  View: HTML | PDF

Book Review

J. Opt. Soc. Am. 39(11), 911-911 (1949)  View: HTML | PDF

The Trapping of Fluorescent Light Produced within Objects of High Geometrical Symmetry

J. Opt. Soc. Am. 39(11), 912-916 (1949)  View: HTML | PDF

An Air Interrupter for Use with the A.R.L. Spark Source

J. Opt. Soc. Am. 39(11), 917-919 (1949)  View: HTML | PDF

Secondary Color in Optical Relay Systems

J. Opt. Soc. Am. 39(11), 919-921 (1949)  View: HTML | PDF

Contrast Discrimination Charts for Demonstrating the Effect of Anoxia on Vision

J. Opt. Soc. Am. 39(11), 922-923 (1949)  View: HTML | PDF

Subtractive Color Reproduction. The Approximate Reproduction of Selected Colors

J. Opt. Soc. Am. 39(11), 924-927 (1949)  View: HTML | PDF

Reflection and Transmission Formulas for a Film on a Backing Plate

J. Opt. Soc. Am. 39(11), 928-929 (1949)  View: HTML | PDF

Fraunhofer Diffraction Patterns of Squares and Rectangles

J. Opt. Soc. Am. 39(11), 929-934 (1949)  View: HTML | PDF

The Luminescence of Photo-Conducting Phosphors

J. Opt. Soc. Am. 39(11), 935-941 (1949)  View: HTML | PDF

A Continuous, Automatic Tristimulus Integrator for Use with the Recording Spectrophotometer

J. Opt. Soc. Am. 39(11), 942-944 (1949)  View: HTML | PDF

Photogrammetric Errors from Camera Lens Decentering

J. Opt. Soc. Am. 39(11), 951-954 (1949)  View: HTML | PDF

Comment on “A Note on the Photo-Pupil Reflex”

J. Opt. Soc. Am. 39(11), 954-954 (1949)  View: HTML | PDF

The Scattering Cross Section of Water Drops in Air for Visible Light

J. Opt. Soc. Am. 39(11), 955-957 (1949)  View: HTML | PDF

Characteristics of Pulsed Arcs in Spectrochemical Analysis. Part I: Zinc Alloys

J. Opt. Soc. Am. 39(11), 958-966 (1949)  View: HTML | PDF

A High Index Refractometer

J. Opt. Soc. Am. 39(11), 966-969 (1949)  View: HTML | PDF

On the Ultimate Sensitivity and Practical Performance of Radiation Detectors

J. Opt. Soc. Am. 39(11), 970-976 (1949)  View: HTML | PDF