Some recent contributions to our knowledge of the sun
By: by George E. Hale
Publisher: Smithsonian Institution
Published: 1909
Place of publication: City of Washington
Language: eng
Number of pages: 360
Subjects: Mount Wilson Observatory
Other titles: Smithsonian miscellaneous collections
Notes: Extracted from: Smithsonian miscellaneous collections, (Quarterly issue), Vol. 52, pt. 3.

At head of title: Hamilton Lecture.

"May 8, 1909."

[Publication] no. 1865.

"Lecture delivered at Washington, D.C., April 22, 1908, under the auspices of the Hamilton Fund of the Smithsonian Institution."