Results for "Observatories"

 
Showing results 421 - 432 of 2654 for Observatories
  1. Moonwatch Project Records, 1962-1973, 1962, Smithsonian Institution Archives, SIA RS00643.

    Moonwatch Project Records, 1962-1973

    • Date: 1962 1962-1973
    • Creator: Smithsonian Astrophysical Observatory Moonwatch Division

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  3. Moonwatch Administrative Subject Files, 1956-1975

    Moonwatch Administrative Subject Files, 1956-1975

    • Date: 1956 1956-1975
    • Creator: Smithsonian Astrophysical Observatory Moonwatch Division

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  5. Collection

    Moonwatch Director's Outgoing Correspondence, 1968-1975

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

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  7. Moonwatch Station Records, 1956-1975, 1956, Smithsonian Institution Archives, SIA RS00641.

    Moonwatch Station Records, 1956-1975

    • Date: 1956 1956-1975
    • Creator: Smithsonian Astrophysical Observatory Moonwatch Division

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  9. Collection

    Moonwatch General Correspondence, 1957-1975

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

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  11. SI History Bibliography

    Biographical Memoirs: Charles Greeley Abbot

    • Date: 1976
    • Creator: Warner, Deborah Jean
    • Creator: Warner, Deborah Jean

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  13. Collection

    Volunteer Flight Officer Network Correspondence, 1966-1975

    • Date: 1966 1966-1975
    • Creator: Smithsonian Astrophysical Observatory Moonwatch Division

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  15. Project Records, c. 1959-1971, 1959, Smithsonian Institution Archives, SIA RS01480.

    Project Records, c. 1959-1971

    • Date: 1959 1959-1971 c 1959-1971
    • Creator: Radio Meteor Project (Harvard College Observatory)

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  17. National Zoo reproductive biologist JoGayle Howard holding black-footed ferret kits, an endangered species, c. 1997.

    Smithsonian Optimism for the Blue Planet

    • Date: April 27, 2017
    • Creator: Pamela M. Henson
    • Description: An overview of the history of environmental conservation activities at the Smithsonian, since its founding in 1846.

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  19. Smithsonian Legal Document

    An Act Making appropriations for sundry civil expenses of the Government for the fiscal year ending June thirtieth, nineteen hundred and one, and for other purposes

    • Date: 1901 06/06/1900
    • Creator: 56th Congress, Sess. 1, 1900
    • Creator: 56th Congress, Sess. 1, 1900

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  21. News Broadcast of Secretary Abbot's Solar Invention

    News Broadcast of Secretary Abbot's Solar Invention

    • Date: c. September 30, 1936
    • Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
    • Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954

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  23. Smithsonian Legal Document

    An Act Making appropriations for sundry civil expenses of the Government for the fiscal year ending June thirtieth, nineteen hundred and thirteen, and for other purposes

    • Date: 1913 08/24/1912
    • Creator: 62d Congress, Sess. 2, 1912
    • Creator: 62d Congress, Sess. 2, 1912

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Showing results 421 - 432 of 2654 for Observatories

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