304 TABLE 371. 



TABLE 371. Transmission of the Radiations from a Gas-filled Tungsten Lamp, the Sun, a 



Magnetite Arc, and from a Quartz Mercury Vapor Lamp (no Globe) through Various 



Substances, especially Colored Glasses. 



*A. O. C., Amer. Optical Co., Southbridge, Mass.; C. G. W., Corning Glass Works, Corning, N. Y.; B. & L., 

 Bausch & Lomb, Rochester, N. Y.; J. K., Julius King Optical Co., New York City; F. H. E., F. H. Edmonds, optician, 

 Washington, D. C.; B. S., Bureau of Standards; scrap material, source unknown. 



t Infra-red radiation absorbed by quartz cell containing i cm layer of water. Taken from Coblentz-Emerson & 

 Long, Bui. Bureau Standards, 14, 653, 1918. 



J Transmission of i cm cell having glass windows. 



SMITHSONIAN TABLES. 



