Results for "Technology"
![Dugald Caleb Jackson (1865-1951), Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-4319].](/sites/default/files/styles/sia-image-200/public/site_util_images/image_missing.jpg "Dugald Caleb Jackson (1865-1951), Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-4319].")
Dugald Caleb Jackson (1865-1951)
- Creator: Bachrach
(left to right) Thomas Keith Glennan (1905-1995) and William Littell Everitt (1900-1986)
A. John Gale explains that the vacuum of space provides natural insulation for the generator
William E. Glenn
- Creator: General Electric Company Research Laboratory
Lee De Forest (1873-1961)
![Dugald Caleb Jackson (1865-1951), Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-4319].](https://ids.si.edu/ids/iiif/SIA-SIA2008-4319/full/250,/0/default.jpg "Dugald Caleb Jackson (1865-1951), Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-4319].")
![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].")
![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].")