Search Results
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2 items
Höhere Mathematik als Hilfswissenschaft für die Technik
- Higher Mathematics as an Auxiliary Science for Technology
- 1960s
- Publisher Demmig, R. (Richard), 1880-
- Subject Mathematics, Publishers and publishing, Tables, Science publishing
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Helitrim trimming potentiometers on the moon
- 1960s
This photograph depicts Helitrim trimming potentiometers displayed on a moon-like surface and is part of a series of marketing images designed to emphasize the small size of the potentiometers. The text on the label…
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10 items
Helitrim trimming potentiometers on model train
- 1960s
These photographs, numbered 1339-1 thru 1339-11, are part of a series of marketing images used to demonstrate the small size of Helipot products. The "Helipot line" train carries various products, including…
- Photographer Armstrong & Hess
- Subject Railroad cars--Models, Beckman Instruments, Inc., Potentiometer
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Helitrim trimming potentiometers group shot
- 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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Helitrim trimming potentiometers applied to a circuit board
- 1950 – 1969
This photograph shows Helipot trimmers on a circuit board.
- Photographer Dietrich, T. A.
- Subject Potentiometer, Beckman Instruments, Inc.
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Helitrim trimming potentiometer with a goldfish
- 1960s
This photograph is part of a series of marketing images used to demonstrate the small size of Helipot products. The text on the label identifies the product as a Model 77P Helitrim potentiometer and the photographer, "A…
- Photographer Armstrong & Hess
- Subject Scientific apparatus and instruments, Goldfish, Potentiometer, Beckman Instruments, Inc.
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Helitrim trimming potentiometer in a nutshell
- 1960s
This photograph is part of a series of marketing images used to demonstrate the small size of Helipot products. The text on the label identifies the product as a Model 77P Helitrim potentiometer and the photographer, "A…
- Photographer Armstrong & Hess
- Subject Scientific apparatus and instruments, Walnut, Potentiometer, Beckman Instruments, Inc.
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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.
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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.
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Helitrim Series 63 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 Herb Radin and Associates
- Subject Potentiometer, Beckman Instruments, Inc.
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Helitrim Series 55 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 Series 50 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 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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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 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 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 61SB & 61SG trimming potentiometers (exploded view)
- 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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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 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 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.
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Helitrim Model 89 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 89 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 89 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 856 Voltage Regulator in a nutshell
- 1950 – 1969
Voltage regulators maintain a constant voltage level in electrical devices. This photograph is part of a series of marketing images used to demonstrate the small size of Helipot products.
- Photographer Herb Radin and Associates
- Subject Microelectronics, Voltage regulators, 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.