1 February 1931, Volume 21, Issue 2, pp. 75-136  
7 articles

The Optics of X-Rays

J. Opt. Soc. Am. 21(2), 75-89 (1931)  View: HTML | PDF

The Optics of Radio-Transmission

J. Opt. Soc. Am. 21(2), 90-100 (1931)  View: HTML | PDF

Some Optical Features in Two-Way Television

J. Opt. Soc. Am. 21(2), 101-108 (1931)  View: HTML | PDF

Reflecting Screens for Relief Picture Projection

J. Opt. Soc. Am. 21(2), 109-118 (1931)  View: HTML | PDF

Contribution to Study of Effect of Elliptical Polarization Upon Energy Transmission

J. Opt. Soc. Am. 21(2), 119-123 (1931)  View: HTML | PDF

Photomicrography with The 365mμ Mercury Arc Line

J. Opt. Soc. Am. 21(2), 124-131 (1931)  View: HTML | PDF

The Photometric Sensibility of the Eye and the Precision of Photometric Observations

J. Opt. Soc. Am. 21(2), 132-136 (1931)  View: HTML | PDF