This letter, written while Arnold Beckman was on a multi-city trip promoting his pH meter, concerns strategies for marketing the instruments and concern about the friction between a salesman and distributor.
The letter discusses Beckman's scheduled meetings, marketing strategies for the pH meter, and interest in postal meters.
Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the…
The letter was written during a multi-city trip, most likely in Pittsburgh or New York. Beckman discusses the cases of the instruments, and his desire to replace metal cases with wood; pricing of the instruments; and…