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Scientific Apparatus
PH meter, Model G

Model G, serial number #?. Manufacturer: National Technical Laboratories, ca 1936. Very similar to ST-BE-02. Original case is wood, but accompanying lid (detached, no hinges) is formica. With original instructions inside lid. Lower door missing.


ID: 2004-00025
Beckman, Arnold Orville (Chemist, Inventor, Philanthropist)

Creation Jan. 1, 1936

Topics: Chemistry

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