Search Results
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6 items
Oral history interview with Arnold O. Beckman
- 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…
- Interviewee Beckman, Arnold O.
- Interviewer Thackray, Arnold, 1939-, Sturchio, Jeffrey L. (Jeffrey Louis), 1952-
- Subject California Institute of Technology, Chemistry, Physical and theoretical, Beckman, Arnold O., Scientific apparatus and instruments, Spectrophotometer, Instrument manufacture, Bell Telephone Laboratories, Hydrogen-ion concentration--Measurement, Potentiometer, Chemical engineers, Beckman Instruments, Inc.
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6 items
Oral history interview with Arnold O. Beckman
- 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…
- Interviewee Beckman, Arnold O.
- Interviewer Thackray, Arnold, 1939-, Sturchio, Jeffrey L. (Jeffrey Louis), 1952-
- Subject California Institute of Technology, Chemistry, Physical and theoretical, Beckman, Arnold O., Scientific apparatus and instruments, Spectrophotometer, Instrument manufacture, Bell Telephone Laboratories, Hydrogen-ion concentration--Measurement, Potentiometer, Chemical engineers, Beckman Instruments, Inc.
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This pot's tough and we can prove it!
- 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…
- Creator Of Work Beckman Instruments, Inc.
- Subject Knights and knighthood, Scientific apparatus and instruments, Potentiometer, Beckman Instruments, Inc.
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Beckman Helipot Potentiometer Model SA1400A
- Undated
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…
- Manufacturer Beckman Instruments, Inc.
- Subject Electric apparatus and appliances, Electricity, Potentiometer, Beckman Instruments, Inc.
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2 items
Beckman Helipot Model 82P Cermet Trimming Potentiometer
- 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…
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Duodial installation on Model A potentiometer
- 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…
- Photographer Dietrich, T. A.
- Subject Passive components, Potentiometer, Beckman Instruments, Inc.
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Duodial Installation on Model A Potentiometer
- 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…
- Photographer Hesketh, Dean D.
- Subject Passive components, Potentiometer, Beckman Instruments, Inc.
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Helipot Series 433 Rectilinear Cermet Potentiometer
- 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…
- Photographer Dietrich, T. A.
- Subject Potentiometer, Beckman Instruments, Inc.
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Helipot Model 473 Rectilinear Cermet Potentiometer
- 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…
- Photographer Dietrich, T. A.
- Subject Potentiometer, Beckman Instruments, Inc.
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Helipot Series 431 Rectilinear Cermet Potentiometer
- 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…
- Photographer Dietrich, T. A.
- Subject Potentiometer, Beckman Instruments, Inc.
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Helipot Model 421 Rectilinear Cermet Potentiometer
- 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…
- Photographer Dietrich, T. A.
- Subject Potentiometer, Beckman Instruments, Inc.
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Helipot Model 7276 potentiometer
- 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…
- Photographer Armstrong & Hess
- Subject Potentiometer, Beckman Instruments, Inc.
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Helipot Model 8136 potentiometer
- 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…
- Photographer Armstrong & Hess
- Subject Potentiometer, Beckman Instruments, Inc.
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Helipot Model 483 Rectilinear Cermet Potentiometer
- 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…
- Photographer Dietrich, T. A.
- Subject Potentiometer, Beckman Instruments, Inc.
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Helipot Model 9320 Potentiometer with Tartan Backdrop
- 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…
- Photographer Armstrong & Hess
- Subject Potentiometer, Beckman Instruments, Inc., Tartans
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Beckman Model 422 Rectilinear Cermet Potentiometer
- 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…
- Photographer Dietrich, T. A.
- Subject Potentiometer, Beckman Instruments, Inc.
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Beckman Model 471 Rectilinear Cermet Potentiometer
- 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…
- Photographer Dietrich, T. A.
- Subject Potentiometer, Beckman Instruments, Inc.
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Beckman Model 481 Rectilinear Cermet Potentiometer
- 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…
- Photographer Dietrich, T. A.
- Subject Potentiometer, Beckman Instruments, Inc.
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Helipot Module
- 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…
- Photographer Dietrich, T. A.
- Subject Potentiometer, Beckman Instruments, Inc.
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Helipot Special Motor Potentiometer
- 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…
- Photographer Dietrich, T. A.
- Subject Potentiometer, Beckman Instruments, Inc.
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Helipot Special Motor Potentiometer
- 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…
- Photographer Dietrich, T. A.
- Subject Potentiometer, Beckman Instruments, Inc.
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Helipot Liquid-Filled 4200 Series Potentiometer, Model 4203
- 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…
- Photographer Harmon, Larry
- Subject Potentiometer, Beckman Instruments, Inc.
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Helidel Variable Delay Lines, Model 8711 Potentiometer (Cutaway)
- 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…
- Photographer Dietrich, T. A.
- Subject Potentiometer, Beckman Instruments, Inc.
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Helidel Variable Delay Lines, Model 8811 Potentiometer (Cutaway)
- 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…
- Photographer Dietrich, T. A.
- Subject Passive components, Potentiometer, Beckman Instruments, Inc.
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Helipot Model 9151 Capstan Motor Potentiometer
- 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…
- Photographer Armstrong & Hess
- Subject Potentiometer, Beckman Instruments, Inc.
