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Showing results 37 - 48 of 127 for Twitter
  1. Robert Ridgway's Drawing of a Junco

    Robert Ridgway's Drawing of a Junco

    • Date: c. 1900
    • Creator: Ridgway, Robert 1850-1929
    • Creator: Ridgway, Robert 1850-1929

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  3. Notes on the Operation of Telegraph Lines

    Notes on the Operation of Telegraph Lines

    • Date: c. 1850
    • Creator: Vail, Alfred
    • Creator: Vail, Alfred

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  5. Division of Radiation and Organisms Laboratory, Smithsonian Institution Building, or Castle - Equipment

    Division of Radiation and Organisms Laboratory, Smithsonian Institution Building, or Castle - Equipment

    • Date: 1930 Circa 1930s
    • Creator: United States National Museum Photographic Laboratory

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  7. Joseph Henry Publishes "Atmospheric Electricity"

    Joseph Henry Publishes "Atmospheric Electricity"

    • Date: 1859

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  9. Sketch of Henry Magnet

    Sketch of Henry Magnet

    • Date: 1857
    • Creator: Henry, Joseph 1797-1878
    • Creator: Henry, Joseph 1797-1878

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  11. Charles Bittinger (1879-1970), Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2007-0243].

    Charles Bittinger (1879-1970)

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    • Joseph Henry's Albany Magnet with its Battery and Apparatus for Measuring its Strength

      Joseph Henry's Albany Magnet with its Battery and Apparatus for Measuring its Strength

      • Date: 1831
      • Creator: Unknown
      • Creator: Unknown

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    • Joseph Henry Elected to National Institute for the Promotion of Science

      Joseph Henry Elected to National Institute for the Promotion of Science

      • Date: August 22, 1840

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    • Joseph Henry Appointed Professor of Mathematics and Natural Philosophy at Albany Academy

      Joseph Henry Appointed Professor of Mathematics and Natural Philosophy at Albany Academy

      • Date: April 28, 1826

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    • Smithsonian Replica of Joseph Henry's Princeton Oscillating Electromagnet Motor

      Smithsonian Replica of Joseph Henry's Princeton Oscillating Electromagnet Motor

      • Date: c. 1830s
      • Creator: Unknown
      • Creator: Unknown

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    • Sketch of Joseph Henry's More Powerful Magnet

      Sketch of Joseph Henry's More Powerful Magnet

      • Date: 1857
      • Creator: Henry, Joseph 1797-1878
      • Creator: Henry, Joseph 1797-1878

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    • Joseph Henry Electromagnet, c. 1978, Smithsonian Archives - History Div, MAH-13346 or 13,346.

      Joseph Henry Electromagnet

      • Date: c. 1978

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    Showing results 37 - 48 of 127 for Twitter

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