Results for "Twitter"
Apparatus Room, Smithsonian Institution Building
- Date: c. 1856
- Creator: Unknown
- Creator: Unknown
Andrew Kramer at Work at Astrophysical Observatory
- Date: c. 1940s
- Creator: Unknown
- Creator: Unknown
Joseph Henry Demonstrates His First Telegraphic Apparatus, a Bell-Ringer
- Date: 1831-1832
Keep Watching the Skies!: The Story of Operation Moonwatch and the Dawn of the Space Age
- Date: 2008
- Creator: McCray, Patrick (W. Patrick)
- Creator: McCray, Patrick (W. Patrick)
Apparatus for Ascertaining the Proof Spirits in Fermented Mash
- Date: 1880 1880s
- Creator: United States National Museum Photographic Laboratory
Ornithologist at Work with Specimens
- Date: 1878
- Creator: Unknown
- Creator: Unknown
Chemical Laboratory, Smithsonian Institution Building
- Date: c. 1856
- Creator: Unknown
- Creator: Unknown
Exhibition Records, 1956-1980
- Date: 1956 1956-1980
- Creator: National Museum of American History (U.S.) Division of Physical Sciences
Joseph Henry's Yale Magnet
- Date: 1974
- Creator: Harrell, Alfred
- Creator: Harrell, Alfred
Antique Scientific Instruments, Museum of History and Technology
- Date: 1964 Between 1964 and 1970
- Creator: Smithsonian Institution Photographic Services Division
Secretary Charles G. Abbot Reading the Pyrheliometer
- Date: c. 1940
Joseph Henry's Oscillating Electromagnet Motor
- Date: c. 1830s
- Creator: Henry, Joseph 1797-1878
- Creator: Henry, Joseph 1797-1878
