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Genre Advertisements Remove constraint Genre: Advertisements Place California--South Pasadena Remove constraint Place: California--South Pasadena Format Image Remove constraint Format: Image Date 1950 Remove constraint Date: <span class='single'>1950</span>

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    • 1950s

    The advertisement touts the features of Beckman glass electrodes and the company's position in the instrumentation field.

    Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the…