Search Results
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Instructions for converting new style wavelength drive to be used with old style single unit amplifier
- 1954-May-07
The drawing documents the modifications needed to use a new wavelength drive with the IR-2 spectrophotometer.
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Diagram of special demountable reference electrodes
- 1952-Jul-18
The illustration depicts glass electrodes that could be used with the Beckman Model G pH meter.
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 George D. Butler to R. Pat Connor
- Difficulties with Blue Tip Electrodes at Eastman Kodak
- 1952-Jul-22
The memo discusses issues affecting the electrodes used with a Model G pH meter, possible actions, and the risk of losing Kodak's business to a competitor such as Leeds & Northrup.
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9 items
Beckman Facilities, Fullerton Plant
- Undated
- 1954
- 1966
- Circa 1975
In 1954, Beckman Instruments' headquarters moved from Pasadena to Fullerton, California.
The images with dates inscribed on the back indicate that they were taken between 1954 and 1975, although some images are…
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7 items
Beckman Facilities, Fullerton Plant
- Undated
- 1943
- 1953
- 1955
In 1954, Beckman Instruments' headquarters moved from Pasadena to Fullerton, California.
Some photos are undated, but the ones with dates were taken between 1943 and 1953. Several have a photographer's stamp on the…
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10 items
Beckman Flame Spectrophotometer
- Beckman Reprint R-38
- 1950-Jun
Beckman Instruments reprinted and distributed this paper, originally published in Analytical Chemistry Vol. 22, No. 6, June 1950.
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82 items
Instruction Manual, Model DK-1 Spectrophotometer
- 355-C
- 1957-May
The Beckman DK Spectrophotometer was an enhancement of the DU, which expanded the instrument’s range of into near-infrared. This was accomplished by chemist Wilbur I. Kaye, who began his work on science behind the DK at…
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23 items
Beckman Spinco Division Model E Centrifuge
- Undated
- 1950s
- 1963-Oct
Beckman Instruments began producing centrifuges after their January 1, 1955 acquisition of industry leader, Specialized Instruments Corporation, or Spinco. With Spinco came the famous Model E Ultracentrifuge, which was…
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15 items
Arnold Beckman with others
- Undated
- 1953
- 1955-Sep-15
- 1957-Oct-11
- 1961-Jan
- 1982
- 1987-Mar-23
The photographs depict Arnold Beckman at a variety of meetings and events. Identified individuals include Arnold Beckman, P. Dodds, V. Rossetti, Robert T. Sheen, W. G. Brombacher, Taylor Fletcher, Jack Bishop, William…
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5 items
Beckman Model D2 Oxygen Analyser
- 1950s
Note the spelling, "Analyser" as opposed to "Analyzer," which may be seen on other D2 units.
Developed from a Linus Pauling design during WWII, the technology behind Beckman Instruments’ oxygen analyzers ended up doing…
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3 items
Arnold Beckman visits to international subsidiaries
- Undated
- 1959-Aug-07
- 1962
The photographs document Arnold Beckman's visits to international subsidiaries. Identified individuals include Suzko Tomono in Japan and Mary Brunton, Jean Fortune, Jessie Rodden, Myra Milne, and Dave Dryburgh in…
- Photographer John Leng & Company, Ltd.
- Subject Employees, Beckman, Arnold O., Beckman Instruments, Inc., Women employees
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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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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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2 items
Memo from Raymond I. Schiff to Robert L. Jackson
- 1957-Jun-04
In this memorandum, Raymond Schiff discussed problems with the Zeromatic 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…
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20 items
Beckman Instruments, Inc. Annual Report 1956
- 1956
The 1956 annual report covers a year of significant expansion. In November 1955, the company's stock was listed on the New York Stock Exchange. The number of employees grew by nearly fifty percent, to 3,020, and William…
- Creator Of Work Beckman Instruments, Inc.
- Subject Shockley, William, 1910-1989, Beckman Instruments, Inc.
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5 items
Glass Electrode Theory
- 1955-May-10
The handwritten notes appear to be signed Noel Brayman.
Glass electrodes were used in Beckman pH meters and various other instruments.
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Duodial installation on Model A potentiometer
- 1950 – 1969
Potentiometers regulate the flow of electricity, like the volume dial on a radio. In 1940, Arnold O. Beckman was unsatisfied with dials on the market, so he designed his own helical potentiometers, or helipots, for use…
- Photographer Dietrich, T. A.
- Subject Passive components, Potentiometer, Beckman Instruments, Inc.
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Helipot Model 201 Digidial
- 1950 – 1969
- Photographer Dietrich, T. A.
- Subject Passive components, Beckman Instruments, Inc.
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Helipot Delamo Victor Motor
- 1950 – 1969
- Photographer Dietrich, T. A.
- Subject Electric motors, Beckman Instruments, Inc.
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Helipot Model 205 Digidial Turnscounting Dial
- 1950 – 1969
- Photographer Armstrong & Hess
- Subject Passive components, Beckman Instruments, Inc.
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Helipot Series 433 Rectilinear Cermet Potentiometer
- 1950 – 1969
Potentiometers regulate the flow of electricity, like the volume dial on a radio. In 1940, Arnold O. Beckman was unsatisfied with dials on the market, so he designed his own helical potentiometers, or helipots, for use…
- Photographer Dietrich, T. A.
- Subject Potentiometer, Beckman Instruments, Inc.
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Helipot Model 473 Rectilinear Cermet Potentiometer
- 1950 – 1969
Potentiometers regulate the flow of electricity, like the volume dial on a radio. In 1940, Arnold O. Beckman was unsatisfied with dials on the market, so he designed his own helical potentiometers, or helipots, for use…
- Photographer Dietrich, T. A.
- Subject Potentiometer, Beckman Instruments, Inc.
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Helipot Series 431 Rectilinear Cermet Potentiometer
- 1950 – 1969
Potentiometers regulate the flow of electricity, like the volume dial on a radio. In 1940, Arnold O. Beckman was unsatisfied with dials on the market, so he designed his own helical potentiometers, or helipots, for use…
- Photographer Dietrich, T. A.
- Subject Potentiometer, Beckman Instruments, Inc.
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Helipot Model 421 Rectilinear Cermet Potentiometer
- 1950 – 1969
Potentiometers regulate the flow of electricity, like the volume dial on a radio. In 1940, Arnold O. Beckman was unsatisfied with dials on the market, so he designed his own helical potentiometers, or helipots, for use…
- Photographer Dietrich, T. A.
- Subject Potentiometer, Beckman Instruments, Inc.