Results for "Electrical engineering"
Ralph Vinton Lyon Hartley (1888-1970)
Ralph Vinton Lyon Hartley (1888-1970)
William E. Glenn
- Creator: General Electric Company Research Laboratory
Hideyuki Kikuchi
Lee De Forest (1873-1961)
First Meeting of the National Inventors Council
- Date: 1940 August 6, 1940
- Creator: Harris & Ewing
![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].")
![Hideyuki Kikuchi, Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-4793].](https://ids.si.edu/ids/iiif/SIA-SIA2008-4793/full/250,/0/default.jpg "Hideyuki Kikuchi, Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-4793].")
![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].")
