Mechanical improvement of the 26-inch refractor
By: by A. H. Mikesell. A study of the optical properties of the 26-inch refractor, by R. K. Riddle.
Contributors: Riddle, R. K.
Series: Publications of the United States Naval Observatory ;; 2d ser., v. 18, pt. 2
Publisher: U.S. Govt. Print. Off.
Published: 1969
Place of publication: [Washington
Language: eng
Number of pages: 31
Subjects: Telescopes.
Notes: Includes bibliographies.