1 July 1921, Volume 5, Issue 4, pp. 291-388  
11 articles

The Propagation of Light in Rotating Systems

J. Opt. Soc. Am. 5(4), 291-307 (1921)  View: HTML | PDF

Standard Wave-Lengths

J. Opt. Soc. Am. 5(4), 308-322 (1921)  View: HTML | PDF

An Unfamiliar Anomaly of Vision and Its Relation to Certain Optical Instruments

J. Opt. Soc. Am. 5(4), 323-327 (1921)  View: HTML | PDF

Soft X-Rays from Arcs in Vapors

J. Opt. Soc. Am. 5(4), 328-333 (1921)  View: HTML | PDF

Note on Mr. T. Smith’s Method of Tracing Rays Through an Optical System

J. Opt. Soc. Am. 5(4), 334-335 (1921)  View: HTML | PDF

A Portable Vacuum Thermopile

J. Opt. Soc. Am. 5(4), 356-362 (1921)  View: HTML | PDF

The Orientation of the Grains in a Dried Photographic Emulsion

J. Opt. Soc. Am. 5(4), 363-365 (1921)  View: HTML | PDF

Some Major Problems in Photometry

J. Opt. Soc. Am. 5(4), 366-375 (1921)  View: HTML | PDF

A Remeasurement of the Radiation Constant, h, by Means of X-Rays1

J. Opt. Soc. Am. 5(4), 376-387 (1921)  View: HTML | PDF

Committee on Nomenclature and Stansdards

J. Opt. Soc. Am. 5(4), 388-388 (1921)  View: PDF