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  • Collections
    • Exploration of Space Collection
    • Albert Einstein Collection
  • Patents
    • History of U.S. Patents - Fire of 1836
    • K05480 - James Madison Signed Patent
    • K01907 - James Monroe Signed Patent
    • K01993 - Thomas Jefferson Signed Patent
    • K08698 - Thomas Pinckney Signed Letter Re Patents
    • K01558 - George Washington Signed Patent
    • K08690 - George Washington Signed Patent
    • K11017 - Patent Collection
  • Hughes War Plans
    • The Plans
    • A Man Little Known in the Annals of History
  • KAG Items
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