Search Results
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Electrode Case Beckman pH Meter diagram
- Dwg. No. 293-000239
- 1935-Oct-11
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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3 items
Quartz Spectrograph
- 1900 – 1925
A spectrograph is an instrument used to obtain and record a light spectrum—it splits the light from an object into its component wavelengths so that it can be analysed. The spectral lines of a chemical element is…
- Subject Spectrograph, Optics
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Ore stockpiles at American Vanadium Company plant
- After 1905 – before 1920
General view of stockpiles of ore at the American Vanadium Company (later the Vanadium Corporation of America) plant facilities in Bridgeville, Pennsylvania. The Bridgeville chemical and metallurgical plant was used to…
- Creator Of Work Vanadium Corporation of America
- Subject Smelting, Vanadium Corporation of America, Steel alloy industry, Vanadium, Mineral industries
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Furnace at American Vanadium Company plant
- After 1905 – before 1920
General view of a furnace used to smelt ore at the American Vanadium Company (later the Vanadium Corporation of America) plant facilities in Bridgeville, Pennsylvania. The Bridgeville chemical and metallurgical plant…
- Creator Of Work Vanadium Corporation of America
- Photographer Altwater & Bro.
- Subject Vanadium Corporation of America, Steel alloy industry, Metallurgical furnaces, Vanadium, Furnaces, Mineral industries, Smelting furnaces
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American Vanadium Company plant in Bridgeville, Pennsylvania
- After 1905 – before 1920
Elevated view of the exterior of the American Vanadium Company (later the Vanadium Corporation of America) plant facilities in Bridgeville, Pennsylvania. The Bridgeville chemical and metallurgical plant was used to…
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American Vanadium Company plant in Bridgeville, Pennsylvania
- After 1905 – before 1920
Elevated view of the exterior of the American Vanadium Company (later the Vanadium Corporation of America) plant facilities in Bridgeville, Pennsylvania. The Bridgeville chemical and metallurgical plant was used to…
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Hercules Powder Company plant in Kenvil, New Jersey
- Circa 1920
General view of employees posed before the exterior of a building at the Hercules Powder Company's smokeless-powder plant located In Kenvil, New Jersey. Established in 1872 by the Atlantic Giant Powder Company, the…
- Creator Of Work Hercules Incorporated
- Subject Explosives, Military, Employees, Chemical industry, Industries, Propellants, Hercules Incorporated, Corporations, Explosives
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4 items
National Technical Laboratories staff
- 1938-Dec
- 1939-Dec
- 1940
The series of photographs depicts employees of National Technical Laboratories.
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Railroad tracks at Dow Chemical Company plant
- 1930s
General view of the railroad tracks located along the Tittabawassee River near Plant E, part of the Dow Chemical Company facilities located in Midland, Michigan.
- Creator Of Work Dow Chemical Company
- Subject Industries, Railroads, Dow Chemical Company, Michigan--Tittabawassee River
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Aerial view of Dow Chemical Company facilities
- 1930s
Black and white aerial photographic view, taken from the Tittabawassee River, of the Dow Chemical Company plants and facilities located in Midland, Michigan.
- Creator Of Work Dow Chemical Company
- Subject Industries, Dow Chemical Company, Michigan--Tittabawassee River
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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 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…
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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 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. 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. 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. 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. 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 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…
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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. Seeking a source of raw material for its new plastic, ethylcellulose, the Dow Chemical Company joined…
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Aerial view of the Dow Chemical Company
- 1936 – 1937
Aerial view of the Dow Chemical Company plants and facilities located in Midland, Michigan. This photograph was taken by H. H. Harris, President of the General Alloys Company of Boston and amateur photographer who…
- Creator Of Work Dow Chemical Company
- Photographer Harris, H.H.
- Subject Aerial views, Dow Chemical Company, Aerial photographs
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Aerial view of the Dow Chemical Company
- 1936 – 1937
Aerial view of the Dow Chemical Company plants and facilities located in Midland, Michigan. This photograph was taken by H. H. Harris, President of the General Alloys Company of Boston and amateur photographer who…
- Creator Of Work Dow Chemical Company
- Photographer Harris, H.H.
- Subject Aerial views, Dow Chemical Company, Aerial photographs
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Aerial view of the Dow Chemical Company
- 1936 – 1937
Aerial view of the Dow Chemical Company plants and facilities located in Midland, Michigan. This photograph was taken by H. H. Harris, President of the General Alloys Company of Boston and amateur photographer who…
- Creator Of Work Dow Chemical Company
- Photographer Harris, H.H.
- Subject Aerial views, Dow Chemical Company, Aerial photographs
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Bureau of Chemistry Dust Laboratory
- 1901 – before 1928
General view of an employee utilizing an apparatus in the Bureau of Chemistry's Dust Laboratory. Part of the U.S. Department of Agriculture's Office of Development Work, the Dust Laboratory conducted research into the…
