SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOLUME 77, NUMBER 3 



PROVISIONAL SOLAR-CONSTANT VALUES, 

 AUGUST, 1920, TO NOVEMBER, 1924 



BY 



C. G. ABBOT AND COLLEAGUES 



(Publication 2818) 



CITY OF WASHINGTON 



PUBLISHED BY THE SMITHSONIAN INSTITUTION 



FEBRUARY 17, 1925 



