Research Catalog

  • 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.

    • Text
    • Washington, Smithsonian Institution, 1904.
    • 1904
    • 1 Item
    FormatCall NumberItem Location
    Text QB88 .D77q OversizeOff-site

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