Search Results
-
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.
-
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.
-
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.
-
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.
-
-
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.
-
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.
-
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
-
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
-
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
-
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…
-
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…
-
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…
-
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…
-
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…
-
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…
-
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…
-
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…
-
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…
-
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…
-
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…
-
Moore filters at Dow Chemical Company plant
- 1950s
Overhead view of the Moore filters used to filter magnesium hydrate slurry at the Dow Chemical Company plant located in Freeport, Texas.
- Creator Of Work Dow Chemical Company
- Subject Magnesium, Industries, Dow Chemical Company, Filters and filtration
-
Moore filters at Dow Chemical Company plant
- 1950s
General view of Moore filters used to process magnesium hydrate at the Dow Chemical Company's plant located in Freeport, Texas.
- Creator Of Work Dow Chemical Company
- Subject Magnesium, Industries, Dow Chemical Company, Filters and filtration
-
Caustic soda evaporators at Dow Chemical Company plant
- 1950s
General view of the caustic soda evaporators at the Dow Chemical Company plant located in Freeport, Texas. Also known as sodium hydroxide, caustic soda was commonly used to produce ethyl cellulose per the process…
- Creator Of Work Dow Chemical Company
- Photographer Korling, Torkel
- Subject Sodium hydroxide, Industries, Ethylcellulose, Dow Chemical Company
-
Sea water intake at Dow Chemical Company plant
- 1950s
General view of the sea water intake apparatus at the Dow Chemical Company plant located in Freeport, Texas. Dow commonly processed sea water to obtain magnesium, the world's lightest structural metal.
- Creator Of Work Dow Chemical Company
- Subject Magnesium, Industries, Dow Chemical Company, Magnesium industry and trade, Seawater
