Results for "American Philosophical Society"
- Finding Aid
SIA RU000141, Smithsonian Institution Contracts Office, Grants and Contracts, 1963-1974
- Date: 1963 1963-1974
- Creator: Smithsonian Institution. Contracts Office
- Creator: Smithsonian Institution Archives
- Finding Aid
SIA RU000150, Smithsonian Institution Assistant Secretary for Science, Research Award Proposals, Awards, and Contracts, 1965-1971
- Date: 1965 1965-1971
- Creator: Smithsonian Institution. Assistant Secretary for Science
- Creator: Smithsonian Institution Archives
- Finding Aid
SIA RU007173, Miller, Gerrit S (Gerrit Smith) 1869-1956, Gerrit Smith Miller, Jr., Papers, 1908-1940
- Date: 1908 1908-1940
- Creator: Miller, Gerrit S. (Gerrit Smith), 1869-1956
- Creator: Smithsonian Institution Archives
Alexander Graham Bell Demonstrates Telephone for Joseph Henry's Family
- Date: January 13, 1877
- Finding Aid
SIA RU007175, Peters, James Arthur 1922-1972, James A. Peters Papers, and Records of the Division of Reptiles and Amphibians, 1927-1973, and 1927-1966
- Date: 1927 1927-1973 1927-1973, and 1927-1966
- Creator: Peters, James Arthur, 1922-1972
- Creator: Smithsonian Institution Archives
- Finding Aid
SIA Acc. 93-051, National Portrait Gallery (U.S.) Office of Exhibitions, Exhibition Records, 1970-1990
- Date: 1970 1970-1990
- Creator: National Portrait Gallery (Smithsonian Institution). Office of Exhibitions
- Creator: Smithsonian Institution Archives
- Finding Aid
SIA Acc. 03-066, Ferguson, Douglas C (Douglas Campbell), Douglas C. Ferguson Papers, 1929-2002
- Date: 1929 1929-2002
- Creator: Ferguson, Douglas C. (Douglas Campbell)
- Creator: Smithsonian Institution Archives
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
- Finding Aid
SIA RU000088, United States National Museum Office of the Director, Records, 1937-1968 and undated
- Date: 1937 1937-1968 1937-1968 and undated
- Creator: United States National Museum. Office of the Director
- Creator: Smithsonian Institution Archives
- SI History Bibliography
The Washington Academy of Sciences: Background, Origin, and Early Years
- Date: December 1996
- Creator: Yochelson, Ellis L
- Creator: Yochelson, Ellis L
- Finding Aid
SIA Acc. 15-217, Joseph Henry Papers Project, Depository Files, 1960-2008
- Date: 1960 1960-2008
- Creator: Joseph Henry Papers Project
- Creator: Smithsonian Institution Archives
- SI History Bibliography
The Papers of Joseph Henry: January 1866-May 1878, The Smithsonian Years
- Date: 2007
- Creator: Rothenberg, Marc 1949-,Millikan, Frank R,Jeffries, Deborah Y,Dorman, Kathleen W,Shoenfeld, Sarah
- Creator: Rothenberg, Marc 1949-,Millikan, Frank R,Jeffries, Deborah Y,Dorman, Kathleen W,Shoenfeld, Sarah
