Results for "Washington (D.C.)"
Joseph Henry's Oscillating Electromagnet Motor
- Date: c. 1830s
- Creator: Henry, Joseph 1797-1878
- Creator: Henry, Joseph 1797-1878
John James Audubon
- Date: c. 1845
- Creator: Unknown
- Creator: Unknown
Reconstruction of Joseph Henry's Original Oscillating Electromagnet Motor
- Date: c. 1830s
- Creator: Unknown
- Creator: Unknown
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
Notes on the Operation of Telegraph Lines
- Date: c. 1850
- Creator: Vail, Alfred
- Creator: Vail, Alfred
Joseph Henry Publishes "Atmospheric Electricity"
- Date: 1859
Sketch of Joseph Henry's More Powerful Magnet
- Date: 1857
- Creator: Henry, Joseph 1797-1878
- Creator: Henry, Joseph 1797-1878
Division of Radiation and Organisms Laboratory, Smithsonian Institution Building, or Castle - Earl Steinford Johnston
- Date: 1929 Between 1929 and 1934
- Creator: United States National Museum Photographic Laboratory
Joseph Henry's Albany Magnet with its Battery and Apparatus for Measuring its Strength
- Date: 1831
- Creator: Unknown
- Creator: Unknown
Smithsonian Replica of Joseph Henry's Princeton Oscillating Electromagnet Motor
- Date: c. 1830s
- Creator: Unknown
- Creator: Unknown
Joseph Henry Electromagnet
- Date: c. 1978
