Results for "Educators"
Langley Aerodromes on Exhibit
- Date: Early 1900s
- Creator: Unknown
- Creator: Unknown
Replica of Joseph Henry's Princeton Oscillating Electromagnet Motor
- Date: c. 1830s
- Creator: Unknown
- Creator: Unknown
- SI History Chronology
Alfred Vail Fails to Credit Joseph Henry for Development of Telegraph
- Date: 1845
- SI History Chronology
Joseph Henry Demonstrates Enhanced Electromagnet
- Date: April 15, 1829
Electromagnet Made by Joseph Henry
- Date: 1978
- Creator: Unknown
- Creator: Unknown
Drawing of the Electromagnetic Telegraph and Alpha Code
- Date: c. 1844
- Creator: Vail, Alfred
- Creator: Vail, Alfred
Diary of Alfred Vail, September 8 and 9, 1848 Entries
- Date: September 8-9, 1848
- Creator: Vail, Alfred
- Creator: Vail, Alfred
Alfred Vail's Drawing of Many Circuits with One Battery
- Date: c. 1844
- Creator: Vail, Alfred
- Creator: Vail, Alfred
Sketch of "Telegraph" Joseph Henry Showed his Classes at the Albany Academy
- Date: 1857
- Creator: Henry, Joseph 1797-1878
- Creator: Henry, Joseph 1797-1878
Sketch of Circuits Using One Battery
- Date: April 15, 1844
- Creator: Vail, Alfred,Morse, Samuel Finley Breese 1791-1872
- Creator: Vail, Alfred,Morse, Samuel Finley Breese 1791-1872
- Authority Record/EAC
Agency history, 1995-
- Date: 1995 1995-
- Creator: Lemelson Center
Secretary Charles G. Abbot with Solar Boiler
- Date: c. September 30, 1936
- Creator: Unknown
- Creator: Unknown
