Search Results

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  5 items
  Manuscripts

  Notes re Model DU-X2

  • 1954-Mar-28

  This series of handwritten and -drawn notes relates to the development of the Beckman DU-X2 spectrophotometer. One of the pages appears to be missing.

  The first Beckman Instruments DU Spectrophotometer was developed in…

  • Creator Of Work Beckman, Arnold O.
  • Subject Ultraviolet spectroscopy, Scientific apparatus and instruments, Spectrophotometer, Beckman Instruments, Inc.
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  2 items
  Business correspondence

  Letter from Elden D. Haller to Arnold O. Beckman

  • 1954-Mar-09

  The memorandum discusses a rival company's spectrophotometer, the Warren Spectracord. (Warren Electronics, Inc. would be acquired by Perkin-Elmer in 1956). The Beckman Instruments DR Spectrophotometer is framed as…

  • Addressee Beckman, Arnold O.
  • Author Haller, Elden D.
  • Subject Ultraviolet spectroscopy, Scientific apparatus and instruments, Spectrophotometer, Beckman Instruments, Inc.
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  Photographs

  Beckman Multimeter Accessories

  • Undated

  Multimeters are instruments capable of making multiple measurements, typically voltage, current, and resistance.

  • Photographer Roger Marshutz Photography
  • Subject Scientific apparatus and instruments, Digital multimeters, Beckman Instruments, Inc.
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  Photographs

  Beckman Multimeter, Inside View

  • Undated

  Multimeters are instruments capable of making multiple measurements, typically voltage, current, and resistance.

  • Photographer Roger Marshutz Photography
  • Subject Scientific apparatus and instruments, Digital multimeters, Beckman Instruments, Inc.
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  Photographs

  Arnold Beckman and Walt

  • Undated

  This may be a photograph of Dr. Arnold O. Beckman with Walt Donner, the manager of Beckman Instruments' Space Engineering Department in the 1960s.

  • Subject Scientists--Portraits, Beckman, Arnold O., Beckman Instruments, Inc.
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  Photographs

  Beckman Multimeter 310

  • Undated

  Multimeters are instruments capable of making multiple measurements, typically voltage, current, and resistance.

  • Photographer Roger Marshutz Photography
  • Subject Scientific apparatus and instruments, Digital multimeters, Beckman Instruments, Inc.
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  Photographs

  Helipot Model 7233 Cutaway Precision 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…

  • Subject Potentiometer, Beckman Instruments, Inc.
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  Photographs

  Beckman NASA Motor Potentiometer

  • 1958 – 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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  Photographs

  Beckman Models 942, 943, and 948 Motor Potentiometers

  • 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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  Photographs

  Helipot Model 943 and 939 Potentiometers

  • 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.
• 
  Photographs

  Helipot Model 3351 Wirewound 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.
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  Photographs

  Helipot Model 3351 Precision Potentiometer

  • Circa 1966

  The background instrument panel may be the DPM-100 Liquid Scintillation System.

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

  • Subject Potentiometer, Beckman Instruments, Inc.
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  Photographs

  Helipot Model 938 and 939 G70 Potentiometers

  • 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.
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  Photographs

  Helipot Motor Potentiometer Package

  • 1964-Mar

  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.
• 
  Photographs

  Beckman Helipot Model 3301 Cermet Precision 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 Ceramic metals, Potentiometer, Beckman Instruments, Inc.
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  Photographs

  Helipot Model 46 Motor-Pot

  • Circa 1960

  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 Potentiometer, Beckman Instruments, Inc.
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  Photographs

  Helipot Model B Wirewound 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.
• 
  Photographs

  Beckman Model 7620 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 Tartans, Beckman Instruments, Inc., Potentiometer
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  Photographs

  Helipot Model C Multi-Turn Wirewound 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.
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  Photographs

  Helipot Model 7620 Wirewound 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.
• 
  Photographs

  Helipot Model 9303 Multi-Turn Wirewound 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.
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  Photographs

  Helipot Model 7603 Multi-Turn Wirewound 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.
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  Photographs

  Beckman Model 7246 multi-turn wirewound potentiometer on diagram

  • 1964-Dec

  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 Potentiometer, Beckman Instruments, Inc.
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  Photographs

  Helipot Model 7221 Multi-Turn Wirewound 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.
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  Photographs

  Helipot special motor potentiometer with quarter

  • 1963-Jun

  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 Coins, Potentiometer, Beckman Instruments, Inc.