Arnold O. Beckman notes that some of the company's instruments (including pH meters and infrared spectrophotometers) are already being used to monitor air quality, and expresses interest in developing instruments specifically designed for that application.
|Original file type||TIFF|
|View in library catalog|
Beckman, Arnold O. “Letter from Arnold O. Beckman to John F. Bishop,” February 25, 1953. Beckman Historical Collection, Box 10, Folder 13. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/s7526d32v.
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