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Business correspondence

Letter from Lee de Forest to Arnold O. Beckman

  • 1931-Sep-09

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The letter requests deliverables of 100 feet of silvered film, and two 10 foot pieces with a silver coating on emulsion film and clear stock.

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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  • 8.5 in. W x 11 in. L
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Credit line
  • Courtesy of Science History Institute

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Department
Collection
Series arrangement
  • Series I. Arnold O. Beckman Files
  • Sub-series 1. Correspondence
Physical container
  • Box 1, Folder 17

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Scientific Biography
Arnold O. Beckman

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Cite as

Forest, Lee De. “Letter from Lee De Forest to Arnold O. Beckman,” September 9, 1931. Beckman Historical Collection, Box 1, Folder 17. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/9306sz92t.

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The Science History Institute recognizes there are materials in our collections that may be offensive or harmful, containing racist, sexist, Eurocentric, ableist, or homophobic language or depictions. The history of science is not exempt from beliefs or practices harmful to traditionally marginalized groups. The Institute is engaged in ongoing efforts to responsibly present and address the evidence of oppression and injustice inextricable from the history of science. If you would like to learn more about our ongoing efforts or if you encounter harmful, inaccurate, or insufficient descriptions, please contact us at digital@sciencehistory.org.