SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOLUME 95. NUMBER 23 



IRoeblino jFunb 



ON THE CORRECTIONS TO BE APPLIED TO 

 SILVER-DISK PYRHELIOMETRY 



BY 

 C. G. ABBOT 



Secretary, Smithsonian Instituti 



(Publication 3409) 



CITY OF WASHINGTON 



PUBLISHED BY THE SMITHSONIAN INSTITUTION 



MARCH 10, 1937 



