1 October 1940, Volume 30, Issue 10, pp. 461-506  
6 articles

Editorial Comment

J. Opt. Soc. Am. 30(10), 461-461 (1940)  View: HTML | PDF

Reflectors Used in Highway Signs and Warning Signals. Parts I, II and III

J. Opt. Soc. Am. 30(10), 462-487 (1940)  View: HTML | PDF

The Dispersion of Magnetic Double Refraction in the Short Infra-Red Spectrum

J. Opt. Soc. Am. 30(10), 488-494 (1940)  View: HTML | PDF

The Refractive Index of Silicate Glasses as a Function of Composition

J. Opt. Soc. Am. 30(10), 495-504 (1940)  View: HTML | PDF

Research Note: Uninterrupted Measurements with a Rotating Sector

J. Opt. Soc. Am. 30(10), 505-505 (1940)  View: HTML | PDF

On the Geometry of Optical Indicators

J. Opt. Soc. Am. 30(10), 506-506 (1940)  View: HTML | PDF