Search Results
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Diagram of gas handling system for Beckman infrared spectrophotometer
- 1943-Nov-18
The Beckman Instruments IR spectrophotometers began as a request from the Office of Rubber Reserve to Arnold O. Beckman in 1942, asking for an infrared spectrophotometer that they could use to create rubber. Under this…
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Beckman IR Spectrophotometer final assembly wiring
- 1946-May-20
The Beckman Instruments IR spectrophotometers began as a request from the Office of Rubber Reserve to Arnold O. Beckman in 1942, asking for an infrared spectrophotometer that they could use to create rubber. Under this…
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Diagram of Beckman IR-85 spectrophotometer continuous wavelength drive
- 1945-Feb-08
The Beckman Instruments IR spectrophotometers began as a request from the Office of Rubber Reserve to Arnold O. Beckman in 1942, asking for an infrared spectrophotometer that they could use to create rubber. Under this…
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Mtg. holes for Beckman IR-85 Spectrophotometer wavelength drive
- 1944-Dec-16
The Beckman Instruments IR spectrophotometers began as a request from the Office of Rubber Reserve to Arnold O. Beckman in 1942, asking for an infrared spectrophotometer that they could use to create rubber. Under this…
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Beckman Infrared Spectrophotometer amplifier circuit diagram
- 1946-May-21
The Beckman Instruments IR spectrophotometers began as a request from the Office of Rubber Reserve to Arnold O. Beckman in 1942, asking for an infrared spectrophotometer that they could use to create rubber. Under this…
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The Beckman Model DR Recording Spectrophotometer
- 1945-Dec-05
The DR Spectrophotometer was a basic model DU (an ultraviolet, single beam, quartz-crystal spectrophotometer) with an added recorder. This one-sheet description of the instrument was used in several Beckman Instruments…
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Beckman IR-85 Spectrophotometer wiring diagram
- 1945-Feb-10
The Beckman Instruments IR spectrophotometers began as a request from the Office of Rubber Reserve to Arnold O. Beckman in 1942, asking for an infrared spectrophotometer that they could use to create rubber. Under this…
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Beckman IR spectrophotometer wavelength drive bearing block location
- 1944-Dec-13
The Beckman Instruments IR spectrophotometers began as a request from the Office of Rubber Reserve to Arnold O. Beckman in 1942, asking for an infrared spectrophotometer that they could use to create rubber. Under this…
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Beckman IR spectrophotometer power supply circuit diagram
- 1946-May-21
The Beckman Instruments IR spectrophotometers began as a request from the Office of Rubber Reserve to Arnold O. Beckman in 1942, asking for an infrared spectrophotometer that they could use to create rubber. Under this…
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Beckman IR-85 motor wavelength drive
- Circa 1945
The Beckman Instruments IR spectrophotometers began as a request from the Office of Rubber Reserve to Arnold O. Beckman in 1942, asking for an infrared spectrophotometer that they could use to create rubber. Under this…
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Guide to replacing absorption cell windows in Beckman IR spectrophotometer
- 1949-Mar-17
The Beckman Instruments IR spectrophotometers began as a request from the Office of Rubber Reserve to Arnold O. Beckman in 1942, asking for an infrared spectrophotometer that they could use to create rubber. Under this…
- Creator Of Work Beckman Instruments, Inc.
- Subject Scientific apparatus and instruments, Spectrophotometer, Infrared spectroscopy, Beckman Instruments, Inc.
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Approximate calibration curve for routine infrared spectrophotometer
- 1942-Oct-22
The Beckman Instruments IR spectrophotometers began as a request from the Office of Rubber Reserve to Arnold O. Beckman in 1942, asking for an infrared spectrophotometer that they could use to create rubber. Under this…
- Creator Of Work Beckman Instruments, Inc.
- Subject Spectrophotometer--Calibration, Spectrophotometer, Infrared spectroscopy, Blueprints, Beckman Instruments, Inc.
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Dispersion data for routine infrared spectrophotometer
- 1942-Sep-17
The Beckman Instruments IR spectrophotometers began as a request from the Office of Rubber Reserve to Arnold O. Beckman in 1942, asking for an infrared spectrophotometer that they could use to create rubber. Under this…
- Creator Of Work Beckman Instruments, Inc.
- Subject Spectrophotometer, Infrared spectroscopy, Blueprints, Beckman Instruments, Inc., Dispersion--Measurement
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Beckman IR-85 motor wavelength drive
- Circa 1945
The Beckman Instruments IR spectrophotometers began as a request from the Office of Rubber Reserve to Arnold O. Beckman in 1942, asking for an infrared spectrophotometer that they could use to create rubber. Under this…
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Beckman IR-1 Spectrophotometer without case
- Undated
The Beckman Instruments IR spectrophotometers began as a request from the Office of Rubber Reserve to Arnold O. Beckman in 1942, asking for an infrared spectrophotometer that they could use to create rubber. Under this…
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Mark of a modern refinery...
- Circa 1948
This ad markets several Beckman instruments -- the Model R pH Indicator, the IR Spectrophotometer, and the DU Spectrophotometer -- for use in the oil refining industry.
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Brace Spectrophotometer
- 1911
"The instrument is designed after suggestions from Prof. D. B. Brace, for whom a number of these instruments were built."
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For over 50 years, we've been with you every step of the way
- 1985
Advertisement for various instruments made by Beckman Instruments, Inc., touting the company's long history of producing pH meters, spectrophotometers, centrifuges, and other instruments.
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Now...a better double-beam infrared spectrophotometer...the Beckman IR-4
- 1956
Advertisement for the new IR-4 Spectrophotometer, which would be on display at the Pittsburgh Conference on Analytical Chemistry and Applied Spectroscopy (PittCon) in 1956.
The Beckman Instruments IR spectrophotometers…
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Memo from Arnold O. Beckman to NTL staff
- 1950-Aug-01
This internal National Technical Laboratories memo expresses Dr. Beckman's concern that NTL is losing its place in the infrared spectrophotometer field, with a special focus on competitors Baird and Perkin-Elmer. The…
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Characteristics and use of absorption cells and holder for DU Spectrophotometer
- Undated
The first Beckman Instruments DU Spectrophotometer was developed in 1940, when the company was still called National Technical Laboratories. Spurred by employee Howard Cary (who had previously been involved in pH meter…
- Creator Of Work Beckman Instruments, Inc.
- Subject Photoelectric cells, Scientific apparatus and instruments, Spectrophotometer, Beckman Instruments, Inc.
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Beckman DU Spectrophotometer phototube selection guidelines
- Undated
The first Beckman Instruments DU Spectrophotometer was developed in 1940, when the company was still called National Technical Laboratories. Spurred by employee Howard Cary (who had previously been involved in pH meter…
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Operation method for Beckman "DU" Spectrophotometer
- Undated
The watermark on the paper indicates that these directions may have been written by the Columbus Water and Chemical Testing Laboratory.
The first Beckman Instruments DU Spectrophotometer was developed in 1940, when the…
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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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Spectrophotometric data
- Undated
Table of spectrophotometer and pH readings of various substances, including strychnine, caffeine, amphetamine, benadryl, and ascorbic acid. As this document is undated and vaguely titled, it is unclear which instrument…
