Results for "Twitter"
- Online Publications
Joseph Henry's Letter to Joseph Leidy (April 19, 1856)
- Date: April 19, 1856
- Creator: Henry, Joseph 1797-1878,Joseph Henry Papers Project
- Creator: Henry, Joseph 1797-1878,Joseph Henry Papers Project
- SI History Bibliography
After One Hundred Years
- Creator: Wetmore, Alexander 1886-
- Creator: Wetmore, Alexander 1886-
Smithsonian Replica of Joseph Henry's Princeton Oscillating Electromagnet Motor
- Date: c. 1830s
- Creator: Unknown
- Creator: Unknown
Sketch of Joseph Henry's More Powerful Magnet
- Date: 1857
- Creator: Henry, Joseph 1797-1878
- Creator: Henry, Joseph 1797-1878
Joseph Henry Electromagnet
- Date: c. 1978
Bern Dibner Awarded Smithson Society Gold Medal
- Date: 1976
- Creator: Unknown
- Creator: Unknown
- Online Publications
Joseph Henry's Letter to Harriet Henry (October 30, 1837)
- Date: October 30, 1837
- Creator: Henry, Joseph 1797-1878,Joseph Henry Papers Project
- Creator: Henry, Joseph 1797-1878,Joseph Henry Papers Project
Illustration of a Siren Fog Signal
- Date: 1875
- Creator: Tyndall, John 1820-1893,Joseph Henry Papers Project
- Creator: Tyndall, John 1820-1893,Joseph Henry Papers Project
Replica of Joseph Henry's Princeton Oscillating Electromagnet Motor
- Date: c. 1830s
- Creator: Unknown
- Creator: Unknown
George Washington Smith's Letter to Joseph Henry (January 26, 1847)
- Date: January 26, 1847
- Creator: Smith, George Washington ca. 1820-1899,Joseph Henry Papers Project
- Creator: Smith, George Washington ca. 1820-1899,Joseph Henry Papers Project
- Online Publications
Joseph Henry's Letter to Increase Allen Lapham (August 3, 1855)
- Date: August 3, 1855
- Creator: Henry, Joseph 1797-1878,Joseph Henry Papers Project
- Creator: Henry, Joseph 1797-1878,Joseph Henry Papers Project
- Online Publications
Joseph Henry's Letter to Parker Cleaveland (May 8, 1832)
- Date: May 8, 1832
- Creator: Henry, Joseph 1797-1878,Joseph Henry Papers Project
- Creator: Henry, Joseph 1797-1878,Joseph Henry Papers Project
