Receipt and memorandum of record
- Circa 1936
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Small JPG1200 x 1539px — 259 KBFull-sized JPG2769 x 3551px — 1.4 MBOriginal fileTIFF — 2769 x 3551px — 28.2 MBThe receipt lists materials the De Forest Television Corporation received from Arnold O. Beckman. The memorandum concerns work Beckman performed for the American Television Corporation, the De Forest Television Corporation, and Lee de Forest; it asserts that Beckman is the inventor of a vacuum paper- and film-coating process.
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Cite as
Beckman, Arnold O. “Receipt and Memorandum of Record,” circa 1936. Beckman Historical Collection, Box 1, Folder 17. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/ks65hd03c.
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