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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Beckman Instruments. “There Are at Least 8 Ways Beckman PH Control Saves Money, Saves Time, Saves Waste in Textile Operations!,” circa 1950. Beckman Historical Collection, Box 19, Folder 18. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/r781wg72t.
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There are at least 8 ways Beckman pH control saves money, saves time, saves waste in textile operations!
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