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    • 1981-Jun-02

    The press release discusses rotors for the L8-80, L8-70, and L8-55 ultracentrifuges.

    • 1981-Jun-01

    The press release describes the specifications of the Type CEL-VDT( ) Y15 expoxy conductivity cells.

    • 1981-May-05

    The press release announces two multimeters, the Tech 350 and Tech 360, and includes specifications and pricing information.

    • Undated

    This mailer, sent to Beckman shareholders, was a reprint from a company publication and explained the significance of the pH meter.

    Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from…

    • 1981-May-01

    The press release announces an assay for precisely measuring, rather than estimating, rheumatoid factor.

    • 1981-May-01

    The press release announces the addition of Series 83 Relative Humidity and Temperature Climate Sensors and Series 54 Moisture/Temperature Transmitters to its Hygroline product line.

    • 1978-Dec-11

    The press release announces the appointment of Joseph P. Addonizio as operations manager of Diagnostic Operations, a part of Beckman's Biological and Fine Chemicals Division.

    • 1978-Dec-07

    The kit included buffers, storage solution, rinse, and a storage rack. Beckman oxygen electrodes were first used in their pH meters and later with other instruments.

    • 1978-Dec-06

    The press release discusses the Accutrace 100 and Accutrace 200 Electroencephalographs, including specifications, options, and pricing.

    • Dwg. No. 293-000239
    • 1935-Oct-11

    Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California citrus industry, who needed an accurate way to measure the acidity of his product. The resulting instrument kicked off…

    • 1978-Sep-15

    The release details components of the Samplair Automated Dichotomous Particulate Sampling System, which debuted at the Instrument Society of America show.

    • 1978-Sep-01

    The press release announces the Series 830000 Sensor Assemblies for relative humidity and temperature sensing.

    • 1979-Jun-15

    The press release describes the Model 590 HC/CO Analyzer, approved for use in four states for vehicle exhaust analysis.

    • 1979-Jun-15

    The support stand made it easier to move electrodes between samples without tipping or using the electrodes' vertical alignment.

    • Undated

    This glass electrode was first used in Beckman pH meters and later other instruments.

    Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California citrus industry, who needed an…

    • Dwg. No. 11098
    • 1957

    This electrode was first used inside Beckman Instruments pH meters and later in many other instruments.

    • 1954-Sep-26

    These handwritten notes on glass electrodes appear to be signed Noel B. Brayman.

    Glass electrodes were used in Beckman pH meters and various other instruments.

    • circa 1969

    In 1968, Beckman's Advanced Technology Operations group introduced the MINOS Dissolved Oxygen Meter (DOM), capable of measuring dissolved oxygen in seawater at depths of 3,000 meters.

    The photograph of the instrument…

    • circa 1968

    The MINOS oxygen and carbon dioxide monitors were first developed in 1968 and monitored atmospheric conditions in diving habitats, vehicles, and pressure chambers.

    • 1968

    The carbon dioxide sensor was incorporated into the Portable Life Support System (PLSS) backpacks worn by astronauts during the Apollo lunar landing.