1 August 1928, Volume 17, Issue 2, pp. 83-162  
15 articles

Regularities in the Spark Spectrum of Hafnium (HfII)1

J. Opt. Soc. Am. 17(2), 83-90 (1928)  View: HTML | PDF

Spark Spectra of Mercury Vapor

J. Opt. Soc. Am. 17(2), 102-106 (1928)  View: HTML | PDF

Review

J. Opt. Soc. Am. 17(2), 106-162 (1928)  View: HTML | PDF

The Dependence of the Resolving Power of a Photographic Material on the Wave Length of Light

J. Opt. Soc. Am. 17(2), 107-115 (1928)  View: HTML | PDF

REVIEW

J. Opt. Soc. Am. 17(2), 118-118 (1928)  View: PDF

A Model to Illustrate the Operation of the Foucault Pendulum

J. Opt. Soc. Am. 17(2), 119-126 (1928)  View: HTML | PDF

An Adjustable Thermostat

J. Opt. Soc. Am. 17(2), 127-131 (1928)  View: HTML | PDF

Notes

J. Opt. Soc. Am. 17(2), 131-131 (1928)  View: PDF

Free Fall Apparatus, Newton’s Second Law Of Motion

J. Opt. Soc. Am. 17(2), 138-144 (1928)  View: HTML | PDF

A Vacuum Grating Spectrograph For Ultraviolet And Soft X-Rays

J. Opt. Soc. Am. 17(2), 145-154 (1928)  View: HTML | PDF

The Spot of Light Reading Device for Galvanometers

J. Opt. Soc. Am. 17(2), 155-161 (1928)  View: HTML | PDF

Matter, Electricity, Energy

J. Opt. Soc. Am. 17(2), 162-162 (1928)  View: PDF