Letter from Lee de Forest to Arnold O. Beckman
- 1934-May-10
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Small JPG1200 x 1545px — 286 KBFull-sized JPG2724 x 3508px — 1.4 MBOriginal fileTIFF — 2724 x 3508px — 27.4 MBIn this letter, de Forest discusses the possibility of using chemicals to fight forest fires.
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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Forest, Lee De. “Letter from Lee De Forest to Arnold O. Beckman,” May 10, 1934. Beckman Historical Collection, Box 1, Folder 17. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/mw22v605t.
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