Results for "Twitter"
Program/Project Records, 1989-2017
- Date: 1989 1989-2017
- Creator: Lemelson Center
left to right: G. Edward Pendray (1901-1987) and Leatrice Mary Pendray (1905-1971)
- Date: 1963 5/12/1963
- SI History Bibliography
A New Understanding of the First Electromagnetic Machine: Joseph Henry's Vibrating Motor
- Date: 2011
- Creator: Littman, Michael G,Stern, Lucas E
- Creator: Littman, Michael G,Stern, Lucas E
Ataullah K. Ozai-Durrani (1897-1964) conducting an experiment involving rice oil
left to right: Elizabeth Kimball Watson (1857-1948), Thomas Augustus Watson (1854-1934), and Mr. Schloer
left to right: Elizabeth Kimball Watson (1857-1948), Thomas Augustus Watson (1854-1934), and Mr. Schloer
- SI History Bibliography
Reaching Toward Space
- Date: February 2001
- Creator: Crouch, Tom D
- Creator: Crouch, Tom D
Orville Wright and H. Rinehart with Dayton-Wright DeHavilland 4
- Creator: Unknown
- Creator: Unknown
Alexander Graham Bell Demonstrates Telephone for Joseph Henry's Family
- Date: January 13, 1877
Thomas Edison Demonstrates Telephone and Phonograph to National Academy of Sciences
- Date: April 1878
Smithsonian Replica of Joseph Henry's Princeton Oscillating Electromagnet Motor
- Date: c. 1830s
- Creator: Unknown
- Creator: Unknown
Joseph Henry Electromagnet
- Date: c. 1978
