1 January 1931, Volume 21, Issue 1, pp. 1-74  
10 articles

Editorial

J. Opt. Soc. Am. 21(1), 1-1 (1931)  View: HTML | PDF

Television in Color from Motion Picture Film

J. Opt. Soc. Am. 21(1), 2-7 (1931)  View: HTML | PDF

A Multi-Channel Television Apparatus

J. Opt. Soc. Am. 21(1), 8-19 (1931)  View: HTML | PDF

UltraViolet Radiation from the Sunlight (TYPE S-1) Lamp

J. Opt. Soc. Am. 21(1), 20-29 (1931)  View: HTML | PDF

Characteristics of A New Ultraviolet Lamp

J. Opt. Soc. Am. 21(1), 30-46 (1931)  View: HTML | PDF

Ultraviolet Spectrophotometry: Comments on Apparatus And Experimental Methods

J. Opt. Soc. Am. 21(1), 47-58 (1931)  View: HTML | PDF

A New Photographic Effect

J. Opt. Soc. Am. 21(1), 59-69 (1931)  View: HTML | PDF

Minutes Of The Executive Council O. S. A.

J. Opt. Soc. Am. 21(1), 70-71 (1931)  View: PDF

Reviews

J. Opt. Soc. Am. 21(1), 72-73 (1931)  View: HTML | PDF

Election of Secretary

J. Opt. Soc. Am. 21(1), 74-74 (1931)  View: PDF