The 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.
|Creator of work|
|Original file type||TIFF|
|Rights||In Copyright - Rights-holder(s) Unlocatable or Unidentifiable|
|View in library catalog|
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