Search Results
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8 itemsOperating Instructions and Technical Information, Model D2 Oxygen Analyzer
- Bulletin 202-C
- 1950s
Developed from a Linus Pauling design during WWII, the technology behind Beckman Instruments’ oxygen analyzers ended up doing such diverse jobs as monitoring astronauts’ respiration, maintaining packaged food safety,…
- Creator Of Work Beckman Instruments, inc.
- Subject Scientific apparatus and instruments, Oxygen--Measurement, Oxygen--Analysis, Beckman Instruments, inc.
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4 itemsBeckman Model H Glass Electrode pH Meter
- Bulletin 170
- Circa 1950
Promotional, color pamphlet for the Model H pH Meter.
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…
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Now--New Beckman pH Electrodes
- 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…
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4 itemsInstructions for Operating the Beckman Model H pH Meter
- Bulletin 168-B
- 1950-Oct
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…
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18 itemsThe Development of pH Instrumentation
- 1950-Apr
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…