Image of Portrait of Samuel Pierpont Langley (1834-1906) Portrait of Samuel Pierpont Langley (1834-1906)
Image of Portrait of Samuel Pierpont Langley (1834-1906) Portrait of Samuel Pierpont Langley (1834-1906)
Image of Portrait of Samuel Pierpont Langley (1834-1906) Portrait of Samuel Pierpont Langley (1834-1906)
Image of Langley Aerodrome Langley Aerodrome
Image of Langley Aerodrome Langley Aerodrome
Image of Portrait of Paul J. Spangler (1924-2010) Portrait of Paul J. Spangler (1924-2010)
Image of Joseph Henry Electromagnet Equipment - Armature Joseph Henry Electromagnet Equipment - Armature
Image of Joseph Henry Electromagnet Equipment - Armatures Joseph Henry Electromagnet Equipment - Armatures
Image of Joseph Henry Electromagnet Equipment - Galvonometer Joseph Henry Electromagnet Equipment - Galvonometer
Image of Joseph Henry Electromagnet Equipment - Electromagnet Joseph Henry Electromagnet Equipment - Electromagnet
Image of Joseph Henry Electromagnet Equipment - Armature Joseph Henry Electromagnet Equipment - Armature
Image of Portrait of Abraham Lincoln (1809-1865) Portrait of Abraham Lincoln (1809-1865)
Image of Portrait of Abraham Lincoln (1809-1865) and Thomas (Tad) Lincoln (1853-1871) Portrait of Abraham Lincoln (1809-1865) and Thomas (Tad) Lincoln (1853-1871)
Image of Portrait of Abraham Lincoln (1809-1865) and Thomas (Tad) Lincoln (1853-1871) Portrait of Abraham Lincoln (1809-1865) and Thomas (Tad) Lincoln (1853-1871)
Image of Inauguration of President Abraham Lincoln Inauguration of President Abraham Lincoln
Image of Portrait of Joseph Herron (1839-1882) Portrait of Joseph Herron (1839-1882)
Image of Portrait of Daniel Coit Gilman (1831-1908) Portrait of Daniel Coit Gilman (1831-1908)
Image of Portrait of Richard Wallach (1816-1881) Portrait of Richard Wallach (1816-1881)
Image of Portrait of Edmund Heller (1875-1939) Portrait of Edmund Heller (1875-1939)
Image of Portrait of William Young and Child Portrait of William Young and Child
Image of Portrait of George William Childs (1829-1894) Portrait of George William Childs (1829-1894)

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