In this letter, Evans discusses a new electrode design for use in Beckman pH meters.
Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California citrus industry, who needed an…
Beckman thanks Evans for his hospitality during a trip to Denver, Colorado to sell the new pH meter and hopes that Evans will become a distributor for the instrument. Beckman's stops in Denver included Coors Porcelain…
- Addressee Evans, Clare
- Author Beckman, Arnold O.
- Subject Great Western Sugar Company, Hydrogen-ion concentration--Measurement--Instruments, Scientific apparatus and instruments, Colorado--Denver, Coors Porcelain Company, Central Scientific Company, Beckman Instruments, inc., California Institute of Technology, Scientific apparatus and instruments--Marketing
Evans writes to Beckman while he is on a trip to New York City about advertising and production of the new pH meter, especially the Model M.
Arnold Beckman invented his first pH meter in 1934 at the request of a…