Search Results
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Oral history interview with Michael A. Kelly
- 2002-Mar-19
Michael A. Kelly begins the interview with a discussion of his childhood and education. Growing up in Roswell, New Mexico, Kelly became interested in radio and television electronics at a young age. After high school,…
- Interviewee Kelly, Michael A., 1936-
- Interviewer Daemmrich, Arthur, Brock, David C.
- Subject Kelly, Michael A., 1936-, United States. Army. Reserve Officers' Training Corps, Engineering, Nuclear physics, Hewlett-Packard Company, Electron spectroscopy, Kevex Corporation, Stanford University, Scientific apparatus and instruments, Scientific apparatus and instruments--Design and construction, Electrical engineers
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Workshop in an unidentified Beckman Instruments plant
- 1950s
Women assembling unidentified instruments at Beckman Instruments or one of its divisions.
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Woman assembling a Beckman Immunochemistry Analyzer
- Circa 1977
Beckman Instruments debuted an Immunochemistry Analyzer in 1977 and an Auto ICS (Immunochemistry System) in 1980.
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Completion of first Beckman LS 9800 liquid scintillation instrument
- 1981-Oct
Unidentified Beckman Instruments employees who worked on the LS 9800 liquid scintillation counter. Liquid scintillation counters measure the radioactivity of a sample by mixing the sample with a solvent containing a…
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Memo from R. Little and J. Sternberg to Wilbur Kaye
- 1965-Sep-21
This internal Beckman Instruments memo documents some of the difficulties of developing a portable glucose monitor. Items under consideration include a digital read out, whole blood versus dialysis or protein…
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Letter from Glenn Joseph to Arnold O. Beckman
- Circa 1933
Glenn Joseph writes to Dr. Beckman about the process of finding the right buffer to use in the new glass electrodes inside the pH meter. The identify of the "Dr. Dupont" referenced in this letter is uncertain.
Arnold…
- Addressee Beckman, Arnold O.
- Author Joseph, Glenn
- Subject Electrodes, Hydrogen-ion concentration--Measurement--Instruments, Sunkist Growers, inc., Scientific apparatus and instruments, Hydrochloric acid, Electrodes, Glass, Scientific apparatus and instruments--Design and construction, California Fruit Growers Exchange, Beckman Instruments, Inc.
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Letter from Glenn Joseph to Arnold O. Beckman
- 1933
In this letter, Glenn Joseph reports that the vacuum-tube amplifier in the early Beckman pH meter model is (still) not functioning properly. One of the fixes he proposes is replacing the vacuum tubes with a glass…
- Addressee Beckman, Arnold O.
- Author Joseph, Glenn
- Subject Electrodes, Hydrogen-ion concentration--Measurement--Instruments, Sunkist Growers, inc., Scientific apparatus and instruments, Electrodes, Glass, Scientific apparatus and instruments--Design and construction, Amplifiers, Vacuum-tube, California Fruit Growers Exchange, Beckman Instruments, Inc.
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Letter from W. E. Baier to Arnold O. Beckman
- 1934-Jun-22
This letter spells out the instrument maintenance and upgrades that the California Fruit Growers Exchange believe are included with the cost of developing the "glass electrode apparatus" (an early prototype of the…
- Addressee Beckman, Arnold O.
- Author Baier, W. E.
- Subject Hydrogen-ion concentration--Measurement--Instruments, Sunkist Growers, inc., Scientific apparatus and instruments, Electrodes, Glass, Scientific apparatus and instruments--Design and construction, California Fruit Growers Exchange, Beckman Instruments, Inc.
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Financial statement for McLeod Gauge and glass electrode development
- 1934-Apr-10
Invoice from Arnold O. Beckman to W. E. Baier
for developing and calibrating McLeod gauges and glass electrodes -- components involved in the early Beckman pH meter.Arnold Beckman invented his first pH meter in 1934…
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Letter from Arnold O. Beckman to L. H. Duschak
- 1935-Apr-30
Response to an earlier letter from Dr. Duschak, asking if Dr. Beckman's new "acidimeter" would be appropriate for determining the pH of vegetable juices. Beckman describes some of the recent changes to the instrument,…
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Beckman Instruments Procedure for Production Evaluation of New Products
- 1955
These guidelines were originally sent from R. S. White to Beckman Division Research & Engineering personnel in regard to new electrode development. They outline a new procedure for all instruments and accessories,…