On the construction of a silvered glass telescope :
fifteen and a half inches in aperture, and its use in celestial photography /
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.
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Format: | Book |
Language: | English |
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Washington, DC :
Smithsonian Institution,
1904.
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Series: | Smithsonian contributions to knowledge, vol. 34; [art. 2]
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Notes: | Smithsonian Institution publicaton 1459. "On the modern reflecting telescope" ... has separate t.-p. and pagination. Physical description: iii, 55, v, 51 p., XIII plates : ill ; 34 cm. more |