Search Results
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11 itemsModel F resistor notes and diagrams
- 1946-Apr-08
Handwritten and -drawn notes detail the resistors used in the Model F pH meter.
Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California citrus industry, who needed an accurate…
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3 itemspH in Ceramics
- Remarks by Edwin P. Arthur before the Los Angeles Section of the American Ceramic Society March 9, 1955
- 1955-Mar-09
In his address to the American Ceramic Society, Edwin Arthur discussed the importance of pH--and, by extension, the measurement of pH with Beckman instruments--in the work of ceramists.
Arnold Beckman invented his…
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5 itemsNotes re Model DU-X2
- 1954-Mar-28
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…
- Creator Of Work Beckman, Arnold O.
- Subject Ultraviolet spectroscopy, Scientific apparatus and instruments, Spectrophotometer, Beckman Instruments, inc.
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325 itemsThe Pauling Oxygen Meter: A Collection of Three Early Reports
- 1944-Jun-30
- 1952-Feb
- 1953-May
The included reports are "The Pauling Oxygen Meter" by Reuben E. Wood and David P. Shoemaker, 1944; "Final Report Contract Nonr 388(00): Research Covering Develpment of an Onoxia Warning Device for Use in High-altitude…
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7 itemsNotes on the development of the glucose analyzer
- 1960s
The notes, which appear to be written in the same hand, may have been authored by James C. Sternberg.
The Glucose Analyzer was developed by James Sternberg in 1969 and was one of several very successful medical…
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6 itemsHistory of Beckman Instruments, Inc.
- Personal Recollections of Arnold O. Beckman
- Undated
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
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Evaluation of the Beckman Model G-2 pH meter
- Undated
Undated notes by an unknown author, although his person was very likely a Beckman Instruments employee.
Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California citrus…
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Paramagnetic Oxygen Meter notes
- 1980
These handwritten notes (by an unidentified author) detail the process by which Linus Pauling came to National Technical Laboratories to produce his oxygen meter design and how this lead to the formation of Arnold O.…