Search Results
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Helitrim Models 55L, 55P, and 55LBW trimming potentiometers
- 1965-Jul
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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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.
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Helitrim Models 77P and 79P trimming potentiometers against an orange background
- 1960 – 1979
This image is a photograph of a photograph against a wooden background.
Potentiometers regulate the flow of electricity, like the volume dial on a radio. In 1940, Arnold O. Beckman was unsatisfied with dials on the…
- Photographer Photographers III
- Subject Potentiometer, Beckman Instruments, Inc.
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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.
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Helitrim Model 55 trimming potentiometer
- 1964-Jul
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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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.
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Helitrim Models 79 and 77 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 Herb Radin and Associates
- Subject Potentiometer, Beckman Instruments, Inc.
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Hand holding a Helitrim Model 79P 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.
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Helitrim Model 79P 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.
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Helitrim Models 56L and 56P trimming potentiometers on a circuit board
- 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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Helitrim Models 78LR5-00, 78PR50, and 78PR10K 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 Custer, George A. (George Armstrong), 1839-1876
- Subject Potentiometer, Beckman Instruments, Inc.
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Helitrim Models 56L and 56P trimming potentiometers on an orange background
- 1960 – 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…
- Photographer Photographers III
- Subject Potentiometer, Beckman Instruments, Inc.
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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.
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Helitrim Models 78P, S, and L 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.
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Helitrim Model 78L and 78P potentiometers with fish hooks
- 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 Fishhooks, Potentiometer, Beckman Instruments, Inc.
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Model 77P Helitrim potentiometer with Model 801 microcircuit
- 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 Roger Marshutz Photography
- Subject Microelectronics, Potentiometer, Beckman Instruments, Inc.
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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.
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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.
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Helitrim Models 58S and 58P 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.
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Helitrim Models 58S and 58P trimming potentiometers
- 1965-Jul
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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32 items
National Technical Laboratories, South Pasadena building fire
- 1950-May
This series of photographs depicts the aftermath of a fire that swept through the National Technical Laboratories building in South Pasadena. Most are unattributed, but Hank Hoag is identified as the photographer in one…
- Photographer Hoag, Hank
- Subject Buildings, Fires, Beckman Instruments, Inc.
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4 items
Portraits of Joseph Coulter, Jr.
- Undated
Joseph R. Coulter, Jr. (1924-1995) co-founded Coulter Corporation with his brother, Wallace, in the 1950s. The company was acquired by Beckman Instruments in 1997.
- Subject Executives, Portraits
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23 items
Wallace Coulter
- Undated
- Circa 1985
- 1988
- 1991-Dec-21
- Circa 1992
These assorted photographs of Wallace Coulter span the 1940s to the 1990s. Other identified individuals include Jeanne O'Laughlin and Inez Andres, at a Barry University commencement. A photo at the American Association…
- Photographer Oscar & Associates, Inc.
- Subject Forbidden City (Beijing, China), Barry University, Trade shows, Executives, Portraits, Statues, Portraits, Group
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2 items
Laura Coulter-Jones
- 1990s
Laura Coulter-Jones, standing behind a podium beneath a Coulter banner, addresses the audience at an unknown event.
Her uncle and father, Wallace and Joseph Coulter, founded the Coulter Corporation to market Coulter…
- Subject Speeches, addresses, etc.
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2 items
Joseph Coulter III
- 1990s
Joseph Coulter III, standing behind a podium beneath a Coulter banner, addresses the audience at an unknown event.
His uncle and father, Wallace and Joseph Coulter, founded the Coulter Corporation to market Coulter…
- Subject Speeches, addresses, etc.