Search Results
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Email from George Matsuyama to Pat A. Ashton
- 2000-Feb-07
This email describes an attempt to develop a glucose electrode in the 1960s. This project was abandoned when Beckman Instruments focused instead on the Glucose Analyzer.
- Addressee Ashton, Pat A.
- Author Matsuyama, George
- Subject Electrodes, Glucose--Analysis, Blood sugar, Scientific apparatus and instruments, Beckman Instruments, inc.
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2 itemsUsers of the First Hundred Beckman Quartz Spectrophotometers
- 1977-Aug-19
The photostat document lists the first hundred companies and institutions to use Beckman's quartz spectrophotometers; the original document was undated.
The first Beckman Instruments DU Spectrophotometer was developed…
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8 itemsNarrative of glucose analyzer development
- 1967
The handwritten account, possibly written by James C. Sternberg, is missing early pages.
The Glucose Analyzer was developed by James Sternberg in 1969 and was one of several very successful medical testing and analysis…
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Letter from David Silverman to James C. Sternberg
- 1966-Mar-21
This memorandum represents an early discussion of the development of the glucose analyzer, including the potential of an implanted capsule to maintain insulin levels and the Helipot microcircuitry expertise that could…
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Letter from Robert S. Mulliken to Harrison Shull, 1961
- 1961-Jan-10
Letter between Robert S. Mulliken and Harrison Shull, American quantum chemists, concerning the development of several scientific, analytical instruments, as well as a proposal to establish a program in Chemical Physics.
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6 itemsMemo from John Leonard to Walter Donner
- Evaluation Study of Twenty-five Zeromatic pH Meters
- 1958-Sep-10
The memo discusses a study of Zeromatic pH meters and includes a handwritten table of data.
Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California citrus industry, who needed…
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Memo from Ed Molloy to Raymond I. Schiff
- 1957-May-29
In one of a series of memos regarding the Zeromatic pH meter, Ed Molloy outlines differences between the 9600 and H-2 models and proposes solutions for grounding the instrument.
Arnold Beckman invented his first pH…
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Memo from Walter Donner to Beckman Instruments staff
- Case Color for 9600 PH Meter
- 1956-Sep-26
In this memo, Walter Donner discussed the color and material to be used for the Zeromatic's case.
Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California citrus industry, who…
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Memo from Raymond I. Schiff to J. E. Leonard
- 1956-Dec-29
Raymond Schiff describes the dangers of Zeromatic users receiving electric shocks.
Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California citrus industry, who needed an…
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Letter from G. F. Hulek to Dr. Paul D. V. Manning
- 1955-Apr-26
Hulek, Arnold Beckman's secretary, responds to a letter from Manning requesting the overhaul of a spectrophotometer. She explains that Beckman himself is in Nevada observing an atomic bomb test.
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Memo from Bill Rittmann to E. P. Tagge
- First IR-1 and IR-2 Instruments
- 1955-Jun-03
This memo discusses the history of the Beckman IR-1 and IR-2 spectrophotometers, including the serial numbers, prices, and customers for the first models produced.
The Beckman Instruments IR spectrophotometers began…
- Addressee Tagge, E. P.
- Author Rittmann, Bill
- Subject Scientific apparatus and instruments, Spectrophotometer, Infrared spectroscopy, Beckman Instruments, inc.
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4 itemsThe Vindication of the DR
- or, "Don't Fall For That Speed Stuff"
- 1954-Apr-16
The DR was a double-beam ultraviolet spectrophotometer, designed for accuracy rather than speed. Lee Cahn's skit represents an effort to begin "selling accuracy," as noted in the attached memo from J. D. MacNamara. The…
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2 itemsLetter from Allen S. Hussey to Arnold O. Beckman
- 1954-Apr-30
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…
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2 itemsLetter from Elden D. Haller to Arnold O. Beckman
- 1954-Mar-09
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…
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2 itemsLetter from Arnold O. Beckman to Dr. Donald H. Loughridge
- 1953-Dec-03
In response to Donald Loughridge's complaints about the performance of the IR-2T spectrophotometer, Arnold Beckman defers to general sales manager W. H. Steinkamp and expresses confidence that he will bring the…
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2 itemsLetter from Dr. Donald H. Loughridge to Arnold O. Beckman
- 1953-Nov-17
Donald Loughridge, dean of Northwestern University, exchanges friendly news with Arnold Beckman before discussing chemistry professor Robert L. Burwell's complaints about the IR-2T spectrophotometer, its frequent…
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Letter from P. E. Paules to Beckman Instruments
- 1952-Apr-16
This letter to an unidentified person at Beckman Instruments, Inc. describes an omission in the Model G pH meter documentation, which does not include replacing the batteries as a possible fix for a specific problem.
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2 itemsLetter from Lee de Forest to Arnold O. Beckman
- 1952-Nov-19
This letter suggests Beckman might be interested in commercial development of de Forest's new invention, a "sandwich, non-vacuous, light amplifier."
- Addressee Beckman, Arnold O.
- Author De Forest, Lee, 1873-1961
- Subject Scientific apparatus and instruments, Light amplifiers
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Letter from S. Feier to R. Pat Connor
- 1951-Apr-01
This letter from S. Feier of Buffalo Apparatus Corporation provides an outsider perspective on competition for Beckman Instruments' DR Spectrophotometer market, with specific mention of the Fisher Spectrocord.
- Addressee Connor, R. Pat
- Author Feier, S.
- Subject Ultraviolet spectroscopy, Scientific apparatus and instruments, Spectrophotometer, Beckman Instruments, inc.
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2 itemsLetter from T. C. Harvie to Pat Connor
- 1951-Apr-01
The letter provides an outsider perspective on Beckman Instruments' competition for the DR spectrophotometer's market.
- Addressee Connor, R. Pat
- Author Harvie, T. C.
- Subject Ultraviolet spectroscopy, Scientific apparatus and instruments, Spectrophotometer, Beckman Instruments, inc.
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3 itemsLetter from W. A. Wildhack to Arnold O. Beckman
- 1950-Apr-27
The letter concerns importation of spectrophotometers into Germany and France, the Economic Cooperation Administration (ECA), and post-war atomic energy restrictions.
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Letter from H. M. Steininger to Arnold O. Beckman
- 1948-Oct-07
A chemist with Standard Oil Company's Research Department, Steininger explored the possible creation of an instrument to analyze and record hydrogen sulfide concentrations in oil refineries, a safety measure otherwise…
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2 itemsLetter from J. H. Rushton to Arnold O. Beckman
- 1945-Feb-03
In this letter, J. H. Rushton of the National Defense Research Committee requests an update on the status of F and G model oxygen meter instruments.
Developed from a Linus Pauling design during WWII, the technology…
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2 itemsLetter from S. S. Prentiss to Arnold O. Beckman
- 1945-Nov-14
In this handwritten letter, Prentiss discusses reports on the oxygen meter contracts and the possibility of working for Phillips Petroleum, despite his lack of enthusiasm for relocating to Oklahoma.
Developed from a…
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Letter from J. E. Sullivan to the Coordinator of Research and Development
- 1945-Apr-07
The letter sketches the specifications for a partial pressure indicator for use in aircraft, and notes that a prototype has already been constructed. The recipient may be a member of the Navy's Research and Development…