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pH essential to quality
- 1961
This advertisement for Beckman Instruments' pH equipment shows how central pH instruments were to the Beckman brand in 1961. By this time, the line of pH products included meters, electrodes, and accessories.
Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California citrus industry, who needed an accurate way to measure the acidity of his product. The resulting instrument kicked off rapid development not only of Beckman Instruments, Inc. but also of the electronic scientific instrument industry.
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Cite as
Charles Bowes Advertising, and Inc. Beckman Instruments. “PH Essential to Quality,” 1961. Beckman Historical Collection, Box 49, Folder 19. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/d791sg170.
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