Search Results
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Magnesium production at Dow Chemical Company
- 1950s
General view of the production of magnesium sheets at a Dow Chemical Company plant in Midland, Michigan. As visible in the photograph, magnesium sheets were cold-rolled on mills during production, while hot mills served…
- Creator Of Work Dow Chemical Company
- Subject Employees, Magnesium, Dow Chemical Company
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Power house at Dow Chemical Company
- 1950s
Interior view of a section of the South Side Power House at a Dow Chemical Company plant in Midland, Michigan.
- Creator Of Work Dow Chemical Company
- Subject Employees, Dow Chemical Company, Power-plants
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Power house at Dow Chemical Company
- 1950s
Interior view of a section of the South Side Power House at a Dow Chemical Company plant in Midland, Michigan, showing a control panel and two unidentified employees.
- Creator Of Work Dow Chemical Company
- Subject Employees, Dow Chemical Company, Control boards (Electrical engineering), Power-plants
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Dow Chemical Company Chlorobenzene Plant
- 1950s
General view of a section of the Dow Chemical Company's Chlorobenzene Plant located in Midland, Michigan. Chlorobenzene is commonly used to produce pharmaceuticals, specialty chemicals, plastics, glazing materials,…
- Creator Of Work Dow Chemical Company
- Subject Chlorobenzene, Industries, Dow Chemical Company
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Dow Chemical Company main office
- 1950s
Exterior view of the main office building at the Dow Chemical Company's headquarters in Midland, Michigan.
- Creator Of Work Dow Chemical Company
- Subject Dow Chemical Company
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Dow Chemical Company lead arsenate plant
- 1950s
Interior view of the Dow Chemical Company's lead arsenate plant with partial view of industrial machinery and barrels used for storage and transport. An inorganic pesticide, lead arsenate was first used to combat gypsy…
- Creator Of Work Dow Chemical Company
- Subject Factories, Pesticides industry, Industries, Dow Chemical Company, Pesticides, Lead arsenate
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Beckman Model D2 oxygen analyzer with cord and bulb
- 1950s
Developed from a Linus Pauling design during WWII, the technology behind Beckman Instruments’ oxygen analyzers ended up doing such diverse jobs as monitoring astronauts’ respiration, maintaining packaged food safety,…
- Photographer Hesketh, Dean D.
- Subject Scientific apparatus and instruments, Oxygen--Measurement, Oxygen--Analysis, Beckman Instruments, Inc.
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Beckman Model D2 oxygen analyzer
- 1950s
Developed from a Linus Pauling design during WWII, the technology behind Beckman Instruments’ oxygen analyzers ended up doing such diverse jobs as monitoring astronauts’ respiration, maintaining packaged food safety,…
- Photographer Armstrong & Hess
- Subject Scientific apparatus and instruments, Oxygen--Measurement, Oxygen--Analysis, Beckman Instruments, Inc.
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Beckman Model D Industrial Oxygen Analyzer
- 1950s
Developed from a Linus Pauling design during WWII, the technology behind Beckman Instruments’ oxygen analyzers ended up doing such diverse jobs as monitoring astronauts’ respiration, maintaining packaged food safety,…
- Photographer Hesketh, Dean D.
- Subject Scientific apparatus and instruments, Oxygen--Measurement, Oxygen--Analysis, Beckman Instruments, Inc.
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Beckman Research pH meter with Micro Blood pH Assembly and Thermomatic
- 1950 – 1969
Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California citrus industry, who needed an accurate way to measure the acidity of his product. The resulting instrument kicked off…
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Beckman Research pH meter dial, close up
- 1950 – 1969
Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California citrus industry, who needed an accurate way to measure the acidity of his product. The resulting instrument kicked off…
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Long reservoir reference electrode #78090V
- 1950 – 1969
- Photographer Dietrich, T. A.
- Subject Electrodes, Beckman Instruments, Inc.
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Beckman reference electrode #92301
- 1950 – 1969
Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California citrus industry, who needed an accurate way to measure the acidity of his product. The resulting instrument kicked off…
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Helipot Switch
- 1950 – 1969
- Photographer Armstrong & Hess
- Subject Electric switchgear, Beckman Instruments, Inc.
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Helipot Cermet Switch
- 1950 – 1969
- Photographer Armstrong & Hess
- Subject Ceramic metals, Electric switchgear, Beckman Instruments, Inc.
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Helipot Series 1390 Circuit Deck Cermet Switch
- 1950 – 1969
- Photographer Armstrong & Hess
- Subject Ceramic metals, Electric switchgear, Beckman Instruments, Inc.
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Helipot Servo Systems
- 1950 – 1969
- Photographer Armstrong & Hess
- Subject Servomechanisms, Beckman Instruments, Inc.
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Helipot Model 964 Servo Amplifier and Model 982 Power Supply
- 1950 – 1969
- Photographer Armstrong & Hess
- Subject Servomechanisms, Beckman Instruments, Inc.
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Helipot Cermet Switch
- 1950 – 1969
- Photographer Armstrong & Hess
- Subject Ceramic metals, Electric switchgear, Beckman Instruments, Inc.
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Helipot Cermet Switch
- 1950 – 1969
- Photographer Armstrong & Hess
- Subject Ceramic metals, Electric switchgear, Beckman Instruments, Inc.
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Helipot Circuit Deck Switch
- 1950 – 1969
- Manufacturer Armstrong & Hess
- Subject Electric switchgear, Beckman Instruments, Inc.
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Helipot Circuit Deck Switch
- 1950 – 1969
- Photographer Armstrong & Hess
- Subject Electric switchgear, Beckman Instruments, Inc.
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Helipot Cermet Switch
- 1950 – 1969
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Circuit deck of a Beckman cermet switch
- 1950 – 1969
- Photographer Armstrong & Hess
- Subject Ceramic metals, Electric switchgear, Beckman Instruments, Inc.