On the construction of a silvered glass telescope
Subtitle: fifteen and a half inches in aperture, and its use in celestial photography
By: by Henry Draper. (Reprinted from vol xiv, "Smithsonian contributions to knowledge," 1864); and, On the modern reflecting telescope and the making and testing of optical mirrors, by George W. Ritchey.
Contributors: Ritchey, G. W. b. 1864.
Series: Smithsonian contributions to knowledge -- vol. 34; [art. 2]; Publication / Smithsonian Institution -- 1459; Publication (Smithsonian Institution) -- 1459.
Publisher: Smithsonian Institution
Published: 1904
Place of publication: Washington
Language: eng
Number of pages: 55
Subjects: Reflecting telescopes.; Astronomical photography.; Mirrors.