Skip to Content
You searched for
Search
Creator Photographers III Remove constraint Creator: Photographers III

Search Constraints

Search Results

    • 1960 – 1979

    The photograph is not attributed, but the autumnal background and inscriptions are consistent with a series of component photographs taken by Photographers III.

    Potentiometers regulate the flow of electricity, like the…

    • 1960 – 1979

    The photograph is not attributed, but the autumnal background and inscriptions are consistent with a series of component photographs taken by Photographers III.

    Potentiometers regulate the flow of electricity, like the…

    • Undated

    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 “acidimeter” with its…

    • 1960 – 1979

    This image is a photograph of a photograph against a wooden background.

    Potentiometers regulate the flow of electricity, like the volume dial on a radio. In 1940, Arnold O. Beckman was unsatisfied with dials on the…

    • 1960 – 1979

    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…

    • 1960 – 1979

    This is one of a series of color photographs featuring Helipot components against autumnal backgrounds.

    • 1960 – 1979

    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…

    • 1960 – 1979

    This is one of a series of color photographs featuring Helipot components against autumnal backgrounds.

    • 1960 – 1979

    This is one of a series of color photographs featuring Helipot components against autumnal backgrounds.

    • 1960 – 1979

    This is one of a series of color photographs featuring Helipot components against autumnal backgrounds.

    • 1960 – 1979

    This is one of a series of color photographs featuring Helipot components against autumnal backgrounds.

    • 1960 – 1979

    This is one of a series of color photographs featuring Helipot components against autumnal backgrounds.

    • 1960 – 1979

    This is one of a series of color photographs featuring Helipot components against autumnal backgrounds.

    • 1960 – 1979

    This is one of a series of color photographs featuring Helipot components against autumnal backgrounds.

    • 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…

    • 1975 – 1984

    Beckman Instruments introduced the Metabolic Measurement Cart (MMC) in 1975. The programmable system could automatically test oxygen, carbon dioxide, barometric pressure, expired air volume and temperature, and print…

    • 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…