Results for "Twitter"
- Collection
Correspondence, 2000-2015
- Date: 2000 2000-2015
- Creator: Lemelson Center
- SI History Chronology
Langley Aerodrome Lab Reopened
- Date: May 1, 1913
Joseph Henry's Albany Magnet
- Date: c. 1820s
- Creator: Unknown
- Creator: Unknown
- SI History Chronology
Joseph Henry Discovers Electromagnetic Induction
- Date: June 1832
Joseph Henry's Yale Magnet
- Date: 1974
- Creator: Harrell, Alfred
- Creator: Harrell, Alfred
Joseph Henry's Oscillating Electromagnet Motor
- Date: c. 1830s
- Creator: Henry, Joseph 1797-1878
- Creator: Henry, Joseph 1797-1878
Sketch of Henry Magnet
- Date: 1857
- Creator: Henry, Joseph 1797-1878
- Creator: Henry, Joseph 1797-1878
Reconstruction of Joseph Henry's Original Oscillating Electromagnet Motor
- Date: c. 1830s
- Creator: Unknown
- Creator: Unknown
Notes on the Operation of Telegraph Lines
- Date: c. 1850
- Creator: Vail, Alfred
- Creator: Vail, Alfred
Joseph Henry's Albany Magnet with its Battery and Apparatus for Measuring its Strength
- Date: 1831
- Creator: Unknown
- Creator: Unknown
Replica of Joseph Henry's Princeton Oscillating Electromagnet Motor
- Date: c. 1830s
- Creator: Unknown
- Creator: Unknown
Cover of Alfred Vail's Experiment Notebook
- Date: c. 1844
- Creator: Vail, Alfred
- Creator: Vail, Alfred
