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Subject Potentiometer Remove constraint Subject: Potentiometer

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    • 1985-Apr-23

    This interview, the first of several with Arnold Beckman conducted by the Chemical Heritage Foundation, begins with a discussion of Beckman's teenage experience as an industrial chemist at a local gas works in…

    • 1985-Jul-23

    The second interview begins with Arnold Beckman describing the National Technical Laboratories in the late 1930s. He details NTL policies and operations. The majority of the transcript focuses on the change from NTL to…

    • 1960s

    This advertisement for Helipot's new series 5200 potentiometer boasts of its toughness and durability, qualities apparently shared by an armored, medieval knight.

    Potentiometers regulate the flow of electricity, like…

  1. Black finished cylindrical casing with three copper electrodes in a line next to product inscription; nickel knob is raised above the cylinder; outer dial goes from 0-15 (but only three digits are visible through its…

    • 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…

    • 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…

    • 1965-Apr-22

    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…

    • 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…

    • 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…

    • 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…

    • 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…

    • circa 1966

    The background of this shot was taken from a photograph of a DPM-100 Liquid Scintillation System dial panel.

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

    • 1960s

    An in-focus potentiometer appears to float in the foreground, with a shot of an out-of-focus room filled with equipment and individuals serving as a backdrop.

    Potentiometers regulate the flow of electricity, like the…

    • 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…

    • 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…

    • 1960 – 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…

    • 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…

    • 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…

    • 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…

    • 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…

    • 1963-Aug-14

    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…

    • 1964-Aug-10

    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…

    • 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…

    • 1963-Aug-14

    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…

    • 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…