Results for "Twitter"
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
Alfred Vail's Electromagnetic Telegraph Notes
- Date: 1848
- Creator: Vail, Alfred
- Creator: Vail, Alfred
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
Cover of Alfred Vail's Experiment Notebook
- Date: c. 1844
- Creator: Vail, Alfred
- Creator: Vail, Alfred
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
Joseph Henry's Letter to Benjamin Peirce (February 25, 1867)
- Date: February 25, 1867
- Creator: Henry, Joseph 1797-1878,Joseph Henry Papers Project
- Creator: Henry, Joseph 1797-1878,Joseph Henry Papers Project
Naturalist Center History Files, 1976-2011
- Date: 1976 1976-2011
- Creator: National Museum of Natural History (U.S.) Office of Education and Outreach
"Smithsonian" Balloon Ascends
- Date: May 1859
Joseph Henry's Pocket Diary, 1865
- Date: 1865
- Creator: Henry, Joseph 1797-1878
- Creator: Henry, Joseph 1797-1878
The Albatross: Interior Science Room (C)
- Date: Circa 1900
