SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOLUME 82, NUMBER 1 



ABSORPTION LINES OF THE INFRA-RED 

 SOLAR SPECTRUM 



(With Five Plates) 



BY 

 G. G. ABBOT AND H. B. FREEMAN 



(Publication 3026) 



CITY OF WASHINGTON 



PUBLISHED BY THE SMITHSONIAN INSTITUTION 



AUGUST 31, 1929 



