1 October 1929, Volume 19, Issue 4, pp. 167-252  
8 articles

The Prism with an Index of Refraction Less than Unity

J. Opt. Soc. Am. 19(4), 167-174 (1929)  View: HTML | PDF

Uranium as an Activator-II1, 2

J. Opt. Soc. Am. 19(4), 175-186 (1929)  View: HTML | PDF

The Value of the Scientific Instrument Industry to the Life of the Country

J. Opt. Soc. Am. 19(4), 187-189 (1929)  View: HTML | PDF

Review

J. Opt. Soc. Am. 19(4), 189-189 (1929)  View: HTML | PDF

The Mercury Meniscus

J. Opt. Soc. Am. 19(4), 190-212 (1929)  View: HTML | PDF

The Measurement of Magnetic Quantities

J. Opt. Soc. Am. 19(4), 213-242 (1929)  View: HTML | PDF

A Vacuum Tube Voltage Regulator for Large Power Units

J. Opt. Soc. Am. 19(4), 243-249 (1929)  View: HTML | PDF

Computing Attachment for Comparators

J. Opt. Soc. Am. 19(4), 250-252 (1929)  View: HTML | PDF