Letter from Arnold O. Beckman to Lee de Forest
- 1931-Jul-18
Arnold O. Beckman, then an assistant professor of chemistry at Caltech, offers his assistance as a consulting chemist.
Lee de Forest (1873–1961) was an inventor, most notably of Audion vacuum tubes in the early twentieth century. His serial business ventures included work in radio, telegraphy, telephony, broadcasting, and film.
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Beckman, Arnold O. “Letter from Arnold O. Beckman to Lee De Forest,” July 18, 1931. Beckman Historical Collection, Box 1, Folder 17. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/2514nm14d.
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