Annals of the Astrophysical Observatory of the Smithsonian Institution.
Smithsonian Astrophysical Observatory.
Langley, S. P.
Abbot, C. G.(Charles Greeley),1872-1973.
Fowle, F. E.
Aldrich, L. B.
Washington : Government Printing Office,
1900-
By: S. P. Langley, C. G. Abbot, F. E. Fowle, L. B. Aldrich.
Suspended 1933-1941.
Vol. 1 is issued also as Exhibit B of a report of the secretary of the Smithsonian Institution with title: Appropriations expended, results reached, and present condition of the work of the Astrophysical Observatory, Washington, 1902; and again, in a Bureau edition with title: Annals of the Astrophysical Observatory, v. 1.
Spectrum, Infra-red.
Solar radiation.