Results for "Twitter"
George Eastman
- Date: 1890
- Creator: Nadar, Paul 1856-1939
- Creator: Nadar, Paul 1856-1939
Charles Franklin Kettering (1876-1958)
- Date: 1936 November 25, 1936
- Creator: Davis, Fremont 1915-1977
Clinton R. Hanna (d. 1985)
- Date: 1947 10/30/1947
- Creator: Westinghouse Electric Corporation
Charles Francis Jenkins (1867-1934), as a boy
Osmund Gunvaldsen (1893-1982)
- Date: 1932
Thomas Alva Edison
- Date: c. 1920s
- Creator: Unknown,Avino, Mark
- Creator: Unknown,Avino, Mark
Hiram Percy Maxim (left) and Edwin Emery Slosson (right)
Hiram Percy Maxim (left) and Edwin Emery Slosson (right)
Sanford Lockwood Cluett (1874-1968)
- Creator: Bachrach Studio
- SI History Chronology
Telegraph Patent Controversy
- Date: March 16, 1857
left to right: Thomas Augustus Watson (1854-1934) and Elizabeth Kimball Watson (1857-1948)
Joseph Henry Advises Alexander Graham Bell on Development of Telephone
- Date: March - April 1875
![Clinton R. Hanna (d. 1985), 1947, Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-3316].](https://ids.si.edu/ids/iiif/SIA-SIA2008-3316/full/250,/0/default.jpg "Clinton R. Hanna (d. 1985), 1947, Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-3316].")
