Results for "Smithsonian Institution Building. (Washington, D.C.)"
Division of Radiation and Organisms - Chlorophyll Photometer
- Date: 1930 Circa 1930s
- Creator: United States National Museum Photographic Laboratory
Exhibit, Museum of History and Technology
- Date: 1972
- Creator: Unknown
- Creator: Unknown
Joseph Henry's Letter to Alexander Dallas Bache (June 25 - July 9, 1852)
- Date: June 25 - July 9, 1852
- Creator: Henry, Joseph 1797-1878,Joseph Henry Papers Project
- Creator: Henry, Joseph 1797-1878,Joseph Henry Papers Project
Joseph Henry's Letter to James Rodney (March 25, 1846)
- Date: March 25, 1846
- Creator: Henry, Joseph 1797-1878,Joseph Henry Papers Project
- Creator: Henry, Joseph 1797-1878,Joseph Henry Papers Project
Division of Radiation and Organisms - Wheat Growth Experiment
- Date: 1930 Circa 1930s
- Creator: United States National Museum Photographic Laboratory
Alexander Dallas Bache Dies
- Date: February 17, 1867
Robert Ridgway's Drawing of a Robin
- Date: c. 1900
- Creator: Ridgway, Robert 1850-1929
- Creator: Ridgway, Robert 1850-1929
Robert Ridgway's Drawing of a Junco
- Date: c. 1900
- Creator: Ridgway, Robert 1850-1929
- Creator: Ridgway, Robert 1850-1929
Joseph Henry's Letter to William Brooke O'Shaughnessy (October 30, 1843)
- Date: October 30, 1843
- Creator: Henry, Joseph 1797-1878,Joseph Henry Papers Project
- Creator: Henry, Joseph 1797-1878,Joseph Henry Papers Project
Sketch of Henry Magnet
- Date: 1857
- Creator: Henry, Joseph 1797-1878
- Creator: Henry, Joseph 1797-1878
Joseph Henry Publishes "Atmospheric Electricity"
- Date: 1859
Thomas Alva Edison
- Date: c. 1920s
- Creator: Unknown,Avino, Mark
- Creator: Unknown,Avino, Mark
