Results for "Twitter"
![Robert C. Burt (b. 1896), Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-0091].](/sites/default/files/styles/sia-image-200/public/site_util_images/image_missing.jpg "Robert C. Burt (b. 1896), Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-0091].")
Robert C. Burt (b. 1896)
Robert C. Burt (b. 1896)
Leonardo da Vinci (1452-1519)
- Collection
Program/Project Records, 2006-2015
- Date: 2006 2006-2015
- Creator: Lemelson Center
Samuel Martin Kier (1813-1874)
- SI History Bibliography
"Looking Back: James H. Logan, First superintendent of the Western Pennsylvania School for the Deaf"
- Date: 1990
- Creator: Lang, Harry G
- Creator: Lang, Harry G
Audiovisual Records, 1995-2024
- Date: 1995 1995-2024
- Creator: Lemelson Center
Ralph Vinton Lyon Hartley (1888-1970)
William E. Glenn
- Creator: General Electric Company Research Laboratory
Albert Cushing Crehore (b. 1868)
Lee De Forest (1873-1961)
Gertrude Sugden Rogallo (1914-2008)
![Robert C. Burt (b. 1896), Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-0091].](https://ids.si.edu/ids/iiif/SIA-SIA2008-0091/full/250,/0/default.jpg "Robert C. Burt (b. 1896), Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-0091].")
![Robert C. Burt (b. 1896), Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-0087].](https://ids.si.edu/ids/iiif/SIA-SIA2008-0087/full/250,/0/default.jpg "Robert C. Burt (b. 1896), Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-0087].")
![Leonardo da Vinci (1452-1519), Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-0882].](https://ids.si.edu/ids/iiif/SIA-SIA2008-0882-000001/full/250,/0/default.jpg "Leonardo da Vinci (1452-1519), Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-0882].")
![Samuel Martin Kier (1813-1874), Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-4800].](https://ids.si.edu/ids/iiif/SIA-SIA2008-4800/full/250,/0/default.jpg "Samuel Martin Kier (1813-1874), Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-4800].")
![William E. Glenn, Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2007-0442].](https://ids.si.edu/ids/iiif/SIA-SIA2007-0442/full/250,/0/default.jpg "William E. Glenn, Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2007-0442].")
![Albert Cushing Crehore (b. 1868), Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-0701].](https://ids.si.edu/ids/iiif/SIA-SIA2008-0701-000001/full/250,/0/default.jpg "Albert Cushing Crehore (b. 1868), Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-0701].")
![Lee De Forest (1873-1961), Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-0953].](https://ids.si.edu/ids/iiif/SIA-SIA2008-0953-000001/full/250,/0/default.jpg "Lee De Forest (1873-1961), Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-0953].")
