Mass spectrometers measure the mass of sample components after ionization.
Walter Donner's work with Beckman Instruments including oversight of the development of medical monitoring equipment for the Apollo, Mercury,…
The memo discusses the conversion of pH meter oxygen electrodes for use in portable oxygen meters.
Beckman's Space Engineering Group contracted with NASA to design a gas chromatograph to analyze the atmosphere within a spacecraft's cabin. The prototype device weighed under 12 pounds and used under 10 watts of power.
- Case Color for 9600 PH Meter
In this memo, Walter Donner discussed the color and material to be used for the Zeromatic's case.
Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California citrus industry, who…
- Evaluation Study of Twenty-five Zeromatic pH Meters
The memo discusses a study of Zeromatic pH meters and includes a handwritten table of data.
Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California citrus industry, who needed…
- Minutes of Model G Product Meeting
Memo describes an meeting in which Beckman Instruments staff discussed making changes to the Model G pH meter in order to reduce cost.
Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from…