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Start Over You searched for: Date 1950 to 1959 Remove constraint Date: <span class="from" data-blrl-begin="1950">1950</span> to <span class="to" data-blrl-end="1959">1959</span>-
Helipot Model 7216 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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Helipot Liquid-Filled Potentiometer, Model 4713
- 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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Helipot Liquid-Filled 4610 Series Potentiometer, Model 4613
- 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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Helipot Model 7233 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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Helipot 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…
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Helipot Series 3200 Cermet Single-Turn Potentiometer with Golf Ball
- 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, Golf balls, Beckman Instruments, Inc.
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Helipot Model 3203 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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Helipot Series 3100 Cermet Single-Turn Potentiometers with Compass
- 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 Compass, Potentiometer, Beckman Instruments, Inc.
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Non-Linear Non-Wirewound (Cermet) Elements
- 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 Ceramic metals, Potentiometer, Beckman Instruments, Inc.
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Linearity Test - 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 Armstrong & Hess
- Subject Ceramic metals, Potentiometer, Beckman Instruments, Inc.
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Exploded Pot
- 1950 – 1969
The labeled illustration depicts the interior of a potentiometer.
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,…
- Photographer Photographic Services Section
- Subject Potentiometer, Beckman Instruments, Inc.
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Helipot Model 6213 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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Helipot Series 3100 and 3200 Cermet Single-Turn Potentiometers with diagram and hand for scale
- 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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Helipot Servo Model 1421-12-0
- 1950 – 1969
- Photographer Dietrich, T. A.
- Subject Servomechanisms, Beckman Instruments, Inc.
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Helipot Model 7466 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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Benching Control
- 1950 – 1969
The unit, an Accu-Bend Sequential Programmer, appears to have been manufactured by Coast-Costello.
- Photographer Dietrich, T. A.
- Subject Scientific apparatus and instruments, Process control
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Helipot Model 5713 Single-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 Dietrich, T. A.
- Subject Potentiometer, Beckman Instruments, Inc.
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Helipot Model 5533 Single-Turn Wirewound Potentiometer with Cartridges
- 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 Cartridges, Potentiometer, Beckman Instruments, Inc., Ammunition
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Helipot Series 7260 Multi-Turn Wirewound 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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6 items
Memo from John Leonard to Walter Donner
- Evaluation Study of Twenty-five Zeromatic pH Meters
- 1958-Sep-10
The memo discusses a study of Zeromatic pH meters and includes a handwritten table of data.
Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California citrus industry, who needed…
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2 items
Test Specification for Glass Electrodes
- Final draft
- 1955-Feb-25
The foldering of this document suggests it was written by Edwin Arthur. As in a 1957 document, "beauty" was the first criteria to be evaluated.
The glass electrodes were used in Beckman pH meters and various other…
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3 items
pH in Ceramics
- Remarks by Edwin P. Arthur before the Los Angeles Section of the American Ceramic Society March 9, 1955
- 1955-Mar-09
In his address to the American Ceramic Society, Edwin Arthur discussed the importance of pH--and, by extension, the measurement of pH with Beckman instruments--in the work of ceramists.
Arnold Beckman invented his…
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2 items
Letter from T. C. Harvie to Pat Connor
- 1951-Apr-01
The letter provides an outsider perspective on Beckman Instruments' competition for the DR spectrophotometer's market.
- Addressee Connor, R. Pat
- Author Harvie, T. C.
- Subject Ultraviolet spectroscopy, Scientific apparatus and instruments, Spectrophotometer, Beckman Instruments, Inc.
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Letter from S. Feier to R. Pat Connor
- 1951-Apr-01
This letter from S. Feier of Buffalo Apparatus Corporation provides an outsider perspective on competition for Beckman Instruments' DR Spectrophotometer market, with specific mention of the Fisher Spectrocord.
- Addressee Connor, R. Pat
- Author Feier, S.
- Subject Ultraviolet spectroscopy, Scientific apparatus and instruments, Spectrophotometer, Beckman Instruments, Inc.
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5 items
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.