Results for "Harvard College Observatory"

     
    Showing results 109 - 120 of 262 for Harvard College Observatory
    1. Finding Aid

      SIA RU000256, Smithsonian Astrophysical Observatory Assistant Director (Administration), Administrative Subject Files, 1964-1973

      • Date: 1964 1964-1973
      • Creator: Smithsonian Astrophysical Observatory. Assistant Director (Administration)
      • Creator: Smithsonian Institution Archives

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    3. Finding Aid

      SIA RU009546, Margaret J. Geller Videohistory Interviews, 1989-1990

      • Date: 1989 1989-1990
      • Creator: Geller, Margaret J., interviewee
      • Creator: Smithsonian Institution Archives

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    5. Samuel Pierpont Langley and the Personal Equation Problem

      • Date: April 12, 2018
      • Description: The term “personal equation” came into use in the 19th century as scientists found that observers have inherent biases: some anticipate events, and some report events after they have occurred. Recognition of the problem led to a spate of personal equation instruments: some measured biases of this sort, and some reduced the effect of personal errors. Most of these

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    7. Finding Aid

      SIA Acc. 04-183, Whipple, Fred L (Fred Lawrence) 1906-2004, Fred Lawrence Whipple Papers, c. 1932-2004

      • Date: 1932 1932-2004 c 1932-2004
      • Creator: Whipple, Fred L. (Fred Lawrence), 1906-2004
      • Creator: Smithsonian Institution Archives

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    9. Finding Aid

      SIA Acc. 08-112, Emmons, Richard H. 1919-2005, Richard H. Emmons Papers, circa 1935-1976, 1990-1991, 1995-1996, 2005

      • Date: 1935 1935-1976 circa 1935-1976, 1990-1991, 1995-1996, 2005
      • Creator: Emmons, Richard H., 1919-2005
      • Creator: Smithsonian Institution Archives

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    11. Finding Aid

      SIA Acc. 98-100, Smithsonian Astrophysical Observatory Office of the Director, Subject Files, circa 1966-1994

      • Date: 1966 1966-1994 circa 1966-1994
      • Creator: Smithsonian Astrophysical Observatory. Office of the Director
      • Creator: Smithsonian Institution Archives

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    13. Finding Aid

      SIA RU007005, Abbot, C. G (Charles Greeley) 1872-1973, Charles G. Abbot Papers, 1889-1973, and Records of the Smithsonian Astrophysical Observatory

      • Date: 1889 1889-1973
      • Creator: Abbot, C. G. (Charles Greeley), 1872-1973
      • Creator: Smithsonian Institution Archives

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    15. Finding Aid

      SIA Acc. 17-067, Smithsonian Astrophysical Observatory Science Media Group, Productions, 1994-2013

      • Date: 1994 1994-2013
      • Creator: Smithsonian Astrophysical Observatory. Science Media Group
      • Creator: Smithsonian Institution Archives

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    17. Document

      Torch 12/1966

      • Description: SIA Record Unit 000371, Smithsonian Institution., Office of Public Affairs, The Torch, 1955-1960, 1965-1988, 1966 Box 1 Folder 12

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    19. Finding Aid

      SIA RU007153, Clayton, Henry Helm 1861-1946, Henry Helm Clayton Papers, 1877-1949 and undated

      • Date: 1877 1877-1949 1877-1949 and undated
      • Creator: Clayton, Henry Helm, 1861-1946
      • Creator: Smithsonian Institution Archives

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    21. Finding Aid

      SIA RU009542, Multiple-Mirror Telescope Videohistory Collection, 1989

      • Date: 1989
      • Creator: Smithsonian Institution Archives

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    23. Finding Aid

      SIA Acc. 02-164, Smithsonian Astrophysical Observatory Department of Contracts, Grants and Property Management, Grant Proposals, 1957-2001

      • Date: 1957 1957-2001
      • Creator: Smithsonian Astrophysical Observatory. Department of Contracts, Grants and Property Management
      • Creator: Smithsonian Institution Archives

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    Showing results 109 - 120 of 262 for Harvard College Observatory

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