Results for "Twitter"
Reconstruction of Joseph Henry's Original Oscillating Electromagnet Motor
- Date: c. 1830s
- Creator: Unknown
- Creator: Unknown
Division of Radiation and Organisms Laboratory, SIB
- Date: c. 1930
- Creator: Unknown
- Creator: Unknown
Division of Radiation and Organisms Laboratory, SIB
- Date: c. 1930
- Creator: Unknown
- Creator: Unknown
Kurt Fredriksson
- Date: 1967
- Creator: Unknown
- Creator: Unknown
Laboratory of Division of Radiation and Organisms, SIB
- Date: c. 1930
- Creator: Unknown
- Creator: Unknown
Apparatus Room in the Smithsonian Institution Building
- Date: 1857
- Creator: Unknown
- Creator: Unknown
Joseph Henry's Albany Magnet with its Battery and Apparatus for Measuring its Strength
- Date: 1831
- Creator: Unknown
- Creator: Unknown
Laboratory of Natural History, SI Building
- Date: c. 1856
- Creator: Unknown
- Creator: Unknown
Observatory at Mt. Montezuma, Chile
- Date: c. 1920
- Creator: Unknown
- Creator: Unknown
Measuring Marsh Grass Productivity
- Date: 1979
- Creator: Unknown
- Creator: Unknown
Laboratory of Division of Radiation and Organisms, SIB
- Date: c. 1930
- Creator: Unknown
- Creator: Unknown
Smithsonian Replica of Joseph Henry's Princeton Oscillating Electromagnet Motor
- Date: c. 1830s
- Creator: Unknown
- Creator: Unknown
