Image of Exterior View of the Smithsonian Institution Building, or Castle Exterior View of the Smithsonian Institution Building, or Castle
Image of Exterior View of the Smithsonian Institution Building, or Castle Exterior View of the Smithsonian Institution Building, or Castle
Image of Joseph Henry Electromagnet Equipment - Page's Motor Joseph Henry Electromagnet Equipment - Page's Motor
Image of Joseph Henry Electromagnet Equipment - Galvanometer Joseph Henry Electromagnet Equipment - Galvanometer
Image of Joseph Henry Electromagnet Equipment - To Obtain Magnetic Electricity Joseph Henry Electromagnet Equipment - To Obtain Magnetic Electricity
Image of Joseph Henry Electromagnet Equipment - Coiled Wire Joseph Henry Electromagnet Equipment - Coiled Wire
Image of Joseph Henry Electromagnet Equipment Joseph Henry Electromagnet Equipment
Image of Joseph Henry Electromagnet Equipment - Pole Changer Joseph Henry Electromagnet Equipment - Pole Changer
Image of Joseph Henry Electromagnet Equipment - Circuit Commutators Joseph Henry Electromagnet Equipment - Circuit Commutators
Image of Joseph Henry Electromagnet Equipment - Quantity Magnet Joseph Henry Electromagnet Equipment - Quantity Magnet
Image of Joseph Henry Electromagnet Equipment - Induction Experiments Joseph Henry Electromagnet Equipment - Induction Experiments
Image of Joseph Henry Electromagnet Equipment Joseph Henry Electromagnet Equipment
Image of Joseph Henry Electromagnet Equipment - Commercial Motors Joseph Henry Electromagnet Equipment - Commercial Motors
Image of Portrait of Arnold Henry Guyot (1807-1884) Portrait of Arnold Henry Guyot (1807-1884)
Image of Portrait of Paul Harry Oehser (1904-1996) Portrait of Paul Harry Oehser (1904-1996)
Image of Portrait of Isaac Lea (1792-1886) Portrait of Isaac Lea (1792-1886)
Image of Portrait of Carl William Schuermann, Jr. (1850-1914) Portrait of Carl William Schuermann, Jr. (1850-1914)
Image of Portrait of Robert Kennicott (1835-1866) Portrait of Robert Kennicott (1835-1866)
Image of Portrait of Robert Kennicott (1835-1866) Portrait of Robert Kennicott (1835-1866)
Image of Museum of History and Technology Construction Museum of History and Technology Construction
Image of Portrait of Samuel Hubbard Scudder (1837-1911) Portrait of Samuel Hubbard Scudder (1837-1911)

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