198 



Tables 211-212. 



REFLECTION OF METALS. 



TABLE 211. — Perpendicular Incidence and Reflection. 



The numbers give the per cents of the incident radiation reflected. 



Based upon the work of Hagen and Rubens, Ann. der Phys. (i) 352, igoo; (8) i, 1902; (11) 873, 1903. 

 Taken partly from Landolt-Bornstein-Meyerhoffer's Physikaliscli-chemische Tabellen. 



TABLE 212. — Percentage Diffuse Reflection from Miscellaneous Sulistances. 



*Not monochromatic (max.) means from Coblentz, J. Franklin Inst. 1912. Bulletin Bureau of Standards, 9, p. 283, 

 1912, contains many other materials. 



Smithsonian Tables. 



