Search Results
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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.
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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.
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Helipot Model 7263 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.
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Helipot Model 5211 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 Karjalas' Photo Vision
- Subject Potentiometer, Beckman Instruments, Inc.
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Helipot Model 7359 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 Karjalas' Photo Vision
- Subject Potentiometer, Beckman Instruments, Inc.
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Helipot Model 7463 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 Karjalas' Photo Vision
- Subject Potentiometer, Beckman Instruments, Inc.
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Helipot Model 6186 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 Karjalas' Photo Vision
- Subject Potentiometer, Beckman Instruments, Inc.
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Beckman Model 7246 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 Karjalas' Photo Vision
- Subject Potentiometer, Beckman Instruments, Inc.
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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.
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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.
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Helipot Model 9303 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.
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Helipot Model A 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 Karjalas' Photo Vision
- Subject Potentiometer, Beckman Instruments, Inc.
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Helipot Models 8103 and 8106 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.
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Helipot Model 7286 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…
- Manufacturer Karjalas' Photo Vision
- Subject Potentiometer, Beckman Instruments, Inc.
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Helipot 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.
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Helipot Model 375 and 376 switches with Alka-Seltzer
- 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 pair of switches.
- Photographer Armstrong & Hess
- Subject Electric switchgear, Beckman Instruments, Inc.
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Helipot Model 3351 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 Karjalas' Photo Vision
- Subject Potentiometer, Beckman Instruments, Inc.
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Dow magnesium alloy plant in Madison, Illinois
- 1952
General view of two unidentified employees at work in the Dow Chemical Company's magnesium alloy plant located in Madison, Illinois. Dedicated in 1954, the magnesium fabrication plant in Madison was the world's first…
- Creator Of Work Dow Chemical Company
- Photographer Korling, Torkel
- Subject Employees, Magnesium, Industries, Dow Chemical Company, Magnesium industry and trade
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Aspirin production at Dow Chemical Company plant
- 1950s
Overhead view of an unidentified employee filling storage containers during the production of aspirin at the Dow Chemical Company facilities located in Midland, Michigan.
- Creator Of Work Dow Chemical Company
- Photographer Korling, Torkel
- Subject Employees, Industries, Aspirin industry, Dow Chemical Company, Aspirin
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Caustic pot house at Dow Chemical Company plant
- 1950s
General view of the interior of the pot house used for the production of caustic soda at the Dow Chemical Company plant located in Midland, Michigan. Also known as sodium hydroxide, caustic soda was commonly used to…
- Creator Of Work Dow Chemical Company
- Subject Sodium hydroxide, Industries, Ethylcellulose, Dow Chemical Company
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Dow Chemical Company facility
- 1950s
General view of an employee at work in an unidentified Dow Chemical Company facility, possibly the Automotive Research Laboratory. A series of storage tanks with connecting electrical wires and rubber tubes are visible…
- Creator Of Work Dow Chemical Company
- Photographer Korling, Torkel
- Subject Employees, Industries, Laboratories, Dow Chemical Company, Scientific apparatus and instruments
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Cliffs Dow plant in Marquette, Michigan
- After 1934 – before 1970
General view of a section of the exterior of the Cliffs Dow wood distillation plant located in Marquette, Michigan. Seeking a source of raw material for its new plastic, ethylcellulose, the Dow Chemical Company joined…
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Cliffs Dow plant in Marquette, Michigan
- After 1934 – before 1970
General view of a section of the exterior of the Cliffs Dow wood distillation plant located in Marquette, Michigan, showing several large storage tanks and two unidentified individuals. Seeking a source of raw material…
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Cliffs Dow plant in Marquette, Michigan
- After 1934 – before 1970
General view of a section of the interior of the Cliffs Dow wood distillation plant located in Marquette, Michigan. Seeking a source of raw material for its new plastic, ethylcellulose, the Dow Chemical Company joined…