Observations made with the prime vertical transit instrument, 1893-1912
By: by George A. Hill.
Contributors: Hill, George Andrews, 1858-1927.
Series: Publications of the United States Naval observatory.; 2d ser. v. x. [pt.i]
Publisher: Govt. print. off.
Published: 1926
Place of publication: [Washington
Language: eng
Number of pages: 382
Subjects: Stars -- Observations.