Results for "Electrical engineering"
(left to right) Thomas Keith Glennan (1905-1995) and William Littell Everitt (1900-1986)
Rudolf Emil Hellmund (1879-1942)
Dugald Caleb Jackson (1865-1951)
- Creator: Bachrach
Clarence Edward Clewell (1883-1966)
Clarence Edward Clewell (1883-1966)
Clarence Edward Clewell (1883-1966)
Clarence Edward Clewell (1883-1966)
Vladimir Karapetoff (1876-1948)
- Date: 1938 March 1938
- Creator: Troy Studio
Ralph Vinton Lyon Hartley (1888-1970)
Ralph Vinton Lyon Hartley (1888-1970)
Robert Cady Burt (1896-1984)
Cary T. Hutchinson
- Creator: Underwood & Underwood
![Rudolf Emil Hellmund (1879-1942), Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-3773].](https://ids.si.edu/ids/iiif/SIA-SIA2008-3773/full/250,/0/default.jpg "Rudolf Emil Hellmund (1879-1942), Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-3773].")
![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].")
![Robert Cady Burt (1896-1984), Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-0605].](https://ids.si.edu/ids/iiif/SIA-SIA2008-0605/full/250,/0/default.jpg "Robert Cady Burt (1896-1984), Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-0605].")
![Cary T. Hutchinson, Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-4240].](https://ids.si.edu/ids/iiif/SIA-SIA2008-4240/full/250,/0/default.jpg "Cary T. Hutchinson, Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-4240].")