DRAPER (Henry). On the construction of a. silvered glass telescope, fifteen and a half inches in aperture, and its use in celestial photography. . .Reprinted from Vol. XIV. “Smithsonian Contributions to Xnowledge” 1864, eto. p. iii. + 55. Washington, 1904. See WASHINGTON (COLUMBIA). Smithsonian Inatitution. Smithsonian Contributions to Knowledge. Vol. XXXIV. no. 1459. ). Washington, 1907.

Author

DRAPER, Henry

Language

en

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DRA - DREWE