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Showing results 37 - 48 of 253 for Twitter
  1. SI History Bibliography

    Astrophysical Contributions of the Smithsonian Institution

    • Date: 1946
    • Creator: Abbot, C. G (Charles Greeley) b. 1872
    • Creator: Abbot, C. G (Charles Greeley) b. 1872

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  3. Smithsonian Legal Document

    An Act Making appropriations to supply deficiencies in appropriations for the fiscal year ending June 30, 1920, and prior fiscal years, and for other purposes

    • Date: 1921 06/05/1920
    • Creator: 66th Congress, Sess. 2, 1920
    • Creator: 66th Congress, Sess. 2, 1920

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  5. Smithsonian Legal Document

    An act making appropriations for the legislative, executive, and judicial expenses of the Government for the fiscal year ending June thirtieth, eighteen hundred and eighty-five, and for other purposes

    • Date: 1885 07/07/1884
    • Creator: 48th Congress, Sess. 1, 1884
    • Creator: 48th Congress, Sess. 1, 1884

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  7. Smithsonian Legal Document

    An Act Making appropriations to supply urgent deficiencies in the appropriations for the fiscal year ending June thirtieth, nineteen hundred, and for prior years, and for other purposes

    • Date: 1901 02/09/1900
    • Creator: 56th Congress, Sess. 1, 1900
    • Creator: 56th Congress, Sess. 1, 1900

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  9. Smithsonian Legal Document

    An act making appropriations for the legislative, executive, and judicial expenses of the government for the fiscal year ending June thirtieth, eighteen hundred and eighty-four and for other purposes

    • Date: 1883 03/03/1883
    • Creator: 47th Congress, Sess. 2, 1883
    • Creator: 47th Congress, Sess. 2, 1883

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  11. Collection

    Administrative Records, 1962-1973

    • Date: 1962 1962-1973
    • Creator: Smithsonian Astrophysical Observatory Assistant Director (Science)

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  13. Collection

    General Correspondence, 1962-1972

    • Date: 1962 1962-1972
    • Creator: Smithsonian Astrophysical Observatory Assistant Director (Science)

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  15. Collection

    Moonwatch General Correspondence, 1957-1975

    • Date: 1957 1957-1975
    • Creator: Smithsonian Astrophysical Observatory Moonwatch Division

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  17. SI History Bibliography

    Samuel Pierpont Langley

    • Date: 1934
    • Creator: Abbot, C. G (Charles Greeley) b. 1872
    • Creator: Abbot, C. G (Charles Greeley) b. 1872

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  19. Smithsonian Astrophysical Observatory, South Yard

    Smithsonian Astrophysical Observatory, South Yard

    • Date: c. 1900
    • Creator: Unknown
    • Creator: Unknown

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  21. SAO Slide-rule Machine, by Unknown, 1931, Smithsonian Archives - History Div, 24622 or MAH-24622.

    SAO Slide-rule Machine

    • Date: 1931
    • Creator: Unknown
    • Creator: Unknown

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  23. Collection

    Moonwatch Director's Outgoing Correspondence, 1968-1975

    • Date: 1968 1968-1975
    • Creator: Smithsonian Astrophysical Observatory Moonwatch Division

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Showing results 37 - 48 of 253 for Twitter

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