Results for "Smithsonian Institution. Environmental Sciences Program"
Daily Weather Map Displayed at Smithsonian
- Date: 1858
- SI History Bibliography
Meteorology in America, 1800-1870
- Date: 1990
- Creator: Fleming, James R
- Creator: Fleming, James R
- SI History Bibliography
Professor Henry and His Philosophical Toys
- Date: 1963
- Creator: Blow, M
- Creator: Blow, M
Drawing of the Electromagnetic Telegraph and Alpha Code
- Date: c. 1844
- Creator: Vail, Alfred
- Creator: Vail, Alfred
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
Notes on the Operation of Telegraph Lines
- Date: c. 1850
- Creator: Vail, Alfred
- Creator: Vail, Alfred
- SI History Bibliography
Henry and the Telegraph
- Date: 1879
- Creator: Taylor, William B (William Bower) 1821-1895
- Creator: Taylor, William B (William Bower) 1821-1895
George Ashley Campbell (1870-1954)
- Date: July 17, 1935
Alfred Vail's Electromagnetic Telegraph Notes
- Date: 1848
- Creator: Vail, Alfred
- Creator: Vail, Alfred
Cover of Alfred Vail's Experiment Notebook
- Date: c. 1844
- Creator: Vail, Alfred
- Creator: Vail, Alfred
Joseph Henry Advises Samuel Morse on Telegraph
- Date: February 24, 1842
Alfred Vail's Drawing of Many Circuits with One Battery
- Date: c. 1844
- Creator: Vail, Alfred
- Creator: Vail, Alfred
