Beckman Historical Collection

2,492 items

The Beckman Historical Collection contains the corporate records of the American scientific and medical instrument manufacturer Beckman Coulter, Incorporated and the personal papers of American scientist and industrialist Arnold O. Beckman.

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Start Over Department Archives ✖ Format Image ✖ Genre Photographs ✖ Subject Potentiometer ✖

Photographs

Hand holding a Helitrim Series 76 trimming 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

Model 76PR100 Helitrim trimming 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.
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.
Photographs

Helipot Models 7601 and 7603 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 Karjalas' Photo Vision
- Subject Potentiometer, Beckman Instruments, inc.
Photographs

Helitrim Model 57 trimming potentiometer attached to a dial
- 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 Hesketh, Dean D.
- Subject Potentiometer, Beckman Instruments, inc.
Photographs

Helitrim Trimming 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.
Photographs

Helipot Duodial
- 1950 – 1969
This dial includes a Helipot 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, so he designed his own…
- Photographer Karjalas' Photo Vision
- Subject Potentiometer, Beckman Instruments, inc.
Photographs

Helipot Model TP and TSP 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 Karjalas' Photo Vision
- Subject Potentiometer, Beckman Instruments, inc.
Photographs

Beckman Helipot Model 77P Helitrim trimming potentiometer with bee
- 1950 – 1969
This photograph is part of a series of marketing images used to demonstrate the small size of Helipot products, in this case a trimmer potentiometer.

Potentiometers regulate the flow of electricity, like the volume…
- Photographer Armstrong & Hess
- Subject Scientific apparatus and instruments, Potentiometer, Bees, Beckman Instruments, inc.
Photographs

Clothespin holding a Model 79P Helitrim trimming potentiometer
- 1950 – 1969
This photograph is part of a series of marketing images used to demonstrate the small size of Helipot products.

Potentiometers regulate the flow of electricity, like the volume dial on a radio. In 1940, Arnold O.…
- Photographer Armstrong & Hess
- Subject Potentiometer, Beckman Instruments, inc.
Photographs

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.
Photographs

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.
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.
Photographs

Helitrim Model 91 Trimmer 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.
Photographs

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.
Photographs

Helitrim Models 77PR200, 76PR100, and 79PR200K trimming 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.
Photographs

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.
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
Photographs

Helipot Model 63P Helitrim trimming 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.
Photographs

Helitrim Model 57 trimming 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 Hesketh, Dean D.
- Subject Potentiometer, Beckman Instruments, inc.
Photographs

Helipot Model 7221 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 Karjalas' Photo Vision
- Subject Potentiometer, Beckman Instruments, inc.
Photographs

Helipot Potentiometers and Dials
- 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.
Photographs

Helipot Model 9140 Motor Potentiometer
- 1950 – 1969
- Subject Potentiometer, Beckman Instruments, inc.
Photographs

Helitrim Model 55 trimming 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.
Photographs

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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