Results of observations with the six-inch transit circle, 1909-1918.
By: Reduced under the direction of J.C. Hammond.  Discussed by J.C. Hammond and C.B. Watts.
Contributors: Watts, Chester Burleigh, 1889-
Series: Publications of the United States Naval Observatory, 2d ser.,; v. 11
Publisher: U.S. Govt. Print. Off.
Published: 1927
Place of publication: [Washington
Language: eng
Number of pages: 712
Subjects: Astronomy -- Observations.
Notes: Running title: Six inch transit circle.