Search Results
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2 items
Beckman Model 144 UV Photometer
- 1950 – 1979
Photometers measure the intensity of light or optical properties (like illuminance and fluorescence) of surfaces and solutions.
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2 items
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2 items
Beckman System 6300 and System 7300 High Performance Analyzers
- 1980s
Beckman released the System 6300 High Performance Amino Acid Analyzer in 1982.
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5 items
Preparative UV Scanner for Model L5-65 and Model L8-55 Ultracentrifuges
- 1978 – 1987
Beckman released its first L5 centrifuge in 1973 and the L8 in 1978.
Beckman Instruments began producing centrifuges after their January 1, 1955 acquisition of industry leader, Specialized Instruments Corporation, or…
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2 items
Beckman Model L2-65B and Model L2-75B Centrifuges
- 1960s
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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2 items
Beckman TL-100 Ultracentrifuge
- 1980s
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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4 items
National Technical Laboratories staff
- 1938-Dec
- 1939-Dec
- 1940
The series of photographs depicts employees of National Technical Laboratories.
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Bendix MA-2 Time-of-Flight Mass Spectrometer with female model
- 1960s
General view of a Bendix MA-2 Time-of-Flight Mass Spectrometer with a female model. The Time-of-Flight Mass Spectrometer (TOFMS) was the flagship analytical instrument of the Bendix Corporation.
Mass spectrometry is an…
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2 items
Espionage Act
- Extract from "The Code of the Laws of the United States of America" in Force June 14, 1940, Title 50--War, Chapter 4--Espionage
- 1944-Sep-01
Arnold Beckman signed this Espionage Act during the course of work with MIT's Radiation Lab, presumably in connection with work on mustard gas detection.
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Secrecy Agreement
- 1944-Sep-01
Arnold Beckman signed this agreement during the course of work with MIT's Radiation Lab, presumably in connection with work on mustard gas detection.
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2 items
Monthly Report: An Instrument for Recording the Concentration of Mustard Gas in Air
- 1943-Nov
The report discusses work performed between September 20 and October 31, 1943, under contract number OEMsr-674. Beckman reported beginning construction of the first model of an instrument to record concentrations of…
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57 items
Report: Paper Tape Recording of CW Agents
- 1944-Mar-30
The informal report drafted by a University of Chicago team, regarding contract OEMsr-79, documented efforts to record chemical warfare agents using sensitized paper tape. The report includes one such strip…
- Author Wilzbach, Kenneth E., Nicolaides, Nicholas, Remington, William R., Brown, Weldon G., Stell, Robert J., Ballweber, Edward G., Pearson, Donald E.
- Subject Cyanogen compounds, Gases--Analysis, University of Chicago, Mustard gas, Chemical agents (Munitions), United States. Office of Scientific Research and Development. National Defense Research Committee, Chemical warfare, Hydrocyanic acid, Phosgene
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Circuit Diagram, Beckman pH Meter, Laboratory Model
- Dwg. No. CD-2000B
- 1945-Jan-24
The diagram is annotated in red and blue ink, indicating first and second position.
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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7 items
Memo from T. H. Lotze to L. R. Pugh
- Precision pH control by precision buffer control
- 1952-Feb-25
The memo describes problems Eastman Kodak encountered with buffer solutions and the suggestion that the Model H-2 pH meter might be adapted for Kodak's applications. Lotze appears to be the creator of images as well as…
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3 items
Memo from Raymond I. Schiff to William Newton
- Model G Product Meeting Recommended Design Changes for Cost Reduction
- 1956-Oct-10
The memo discusses cost reductions to the Model G pH meter and is extensively annotated.
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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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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10 items
Spectra plates
- Undated
Glass plates with spectrum image. Several of the spectra plates are labeled with wavelengths on the front and back.
- Subject Spectrum analysis, Adam Hilger Ltd., Optics
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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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4 items
Beckman Model L7-35, Model L7-55, and Model L7-65 Ultracentrifuges
- 1980s
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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2 items
Beckman Model L3-40 and Model L3-50 Ultracentrifuges
- Undated
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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3 items
Beckman L-60, XL-90, and XL-100 Ultracentrifuges
- 1990s
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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2 items
Beckman Avanti J-20 and Avanti J-20I Centrifuges
- 1990s
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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2 items
Beckman Airfuge Ultracentrifuge and Airfuge Tube Fractionater
- 1975 – 1984
Beckman first released the Airfuge Ultracentrifuge in 1975.
Beckman Instruments began producing centrifuges after their January 1, 1955 acquisition of industry leader, Specialized Instruments Corporation, or Spinco.…
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6 items
The Beckman Glucose Analyzer: A Statement of Verified Claims
- 1970
Marketing materials tout the virtues of the Beckman Glucose Analyzer, with emphasis placed upon verification of claims by the Standards Committee of the College of American Pathologists. The folded brochure includes a…
