Glenn Joseph expresses appreciation for a tour of Beckman's Fullerton plant and the gift of a pH meter themed desk set.
In the 1930s, Joseph approached Beckman for assistance measuring pH for the citrus industry. The…
This series of handwritten and -drawn notes relates to the development of the Beckman DU-X2 spectrophotometer. One of the pages appears to be missing.
The first Beckman Instruments DU Spectrophotometer was developed in…
The memorandum discusses a rival company's spectrophotometer, the Warren Spectracord. (Warren Electronics, Inc. would be acquired by Perkin-Elmer in 1956). The Beckman Instruments DR Spectrophotometer is framed as…
Allen Hussey, the director of Northwestern University's chemical laboratories, discusses the frequent breakdowns of the IR-2T spectrophotometer, the practical and ethical barriers to selling it to recoup expenses, and…