_SMITHSONIAN MISCELLANEOUS COLLECTIONS 

 VOLUME 148, NUMBER 7 



ISloebling: jf unb " ^PR2 



AN ACCOUNT OF THE ASTROPHYSICAL 



OBSERVATORY OF THE SMITHSONIAN 



INSTITUTION, 1904-1953 



By 



C G. ABBOT 



Research Associate, Smithsonian Institution 



CITY OF WASHINGTON 



PUBLISHED BY THE SMITHSONIAN INSTITUTION 



FEBRUARY 24, 1966 



