Search Results
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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 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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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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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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Announcing An Important New Beckman Development
- 1941-Sep-25
This advertisement, reprinted from the American Chemical Society News Edition, may be the earliest advertisement for the DU model. The page is stamped Apr 25 1961 (though the date is crossed out) and the reprint note is…
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Letter from H. M. Steininger to Arnold O. Beckman
- 1948-Oct-07
A chemist with Standard Oil Company's Research Department, Steininger explored the possible creation of an instrument to analyze and record hydrogen sulfide concentrations in oil refineries, a safety measure otherwise…
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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.