This report outlines the colorimetric and electrical ways to determine the pH of a solution and the various kinds of electrodes that can be used with electrical instruments. Beckman concludes that a method using glass…
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…
- Personal Recollections of Arnold O. Beckman
The account focuses on the early days of Beckman's entrepreneurial endeavors, from Robert Millikan referring I. H. Lyons to Beckman for assistance with National Postal Meter Company inks through the renting of a new…
- Creator Of Work Beckman, Arnold O.
- Subject California Institute of Technology, Racism, Beckman, Arnold O., Hydrogen-ion concentration--Measurement--Instruments, Millikan, Robert, 1868-1953, Antisemitism, Bell Telephone Laboratories, Smith, G. Frederick (George Frederick), 1891-, California Fruit Growers Exchange, Beckman Instruments, inc., E.H. Sargent and Company, Scientific apparatus and instruments, Willard, Hobart H. (Hobart Hurd), 1881-1974