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Showing results 1 - 6 of 6 for Twitter
  1. Online Publications

    Transcript of Joseph Henry's Program of Organization

    • Date: 1847

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  3. SI History Chronology

    Samuel Langley Appointed Acting Secretary

    • Date: February 10, 1887

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  5. SI History Chronology

    Cooper-Hewitt Museum Agreement Signed

    • Date: October 9, 1967

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  7. SI History Chronology

    Samuel Langley Elected Third Secretary

    • Date: November 18, 1887

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  9. SI History Chronology

    S. Dillon Ripley Becomes Secretary

    • Date: February 1, 1964

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  11. Joseph Henry's Program of Organization for the Smithsonian Adopted

    Joseph Henry's Program of Organization for the Smithsonian Adopted

    • Date: December 13, 1847

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Showing results 1 - 6 of 6 for Twitter