Search Results
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Unidentified person using a Spinco Physiological Gas Analyzer
- Undated
It is unclear from this photograph whether this is a Model 150 or 160.
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Beckman Model J pH Meter
- Undated
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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Arnold and Mabel Beckman with unidentified people at a Beckman Instruments location in China
- 1981
Dr. Arnold O. Beckman (1900-2004) invented the first commercially successful electric pH meter in 1934 and thus began a long career manufacturing scientific and medical instruments with National Technical Laboratories,…
- Subject Beckman, Arnold O., China, Beckman Instruments, Inc.
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Unidentified man using a Beckman/Spinco Model 120 Amino Acid Analyzer
- Circa 1960
First marketed in 1960, the Beckman/Spinco Model 120 Amino Acid Analyzer used the Spackman-Stein-Moore technique of amino acid chromatography.
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Beckman Pocket pH meter
- Circa 1956
The Pocket pH meter allowed pH readings to be taken in the field, in a laboratory, or at any site, without needing to send samples back to a laboratory and a more stationary instrument.
Arnold Beckman invented his…
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Arnold O. Beckman and an unidentified man with Beckman Instruments products
- Undated
Dr. Arnold O. Beckman (1900-2004) invented the first commercially successful electric pH meter in 1934 and thus began a long career manufacturing scientific and medical instruments with National Technical Laboratories,…
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Portrait of Arnold O. Beckman (1900-2004)
- 1945
Dr. Arnold O. Beckman (1900-2004) invented the first commercially successful electric pH meter in 1934 and thus began a long career manufacturing scientific and medical instruments with National Technical Laboratories,…
- Photographer Curtis Studios
- Subject Scientists--Portraits, Beckman, Arnold O.
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Portrait of Arnold O. Beckman (1900-2004)
- Undated
Dr. Arnold O. Beckman (1900-2004) invented the first commercially successful electric pH meter in 1934 and thus began a long career manufacturing scientific and medical instruments with National Technical Laboratories,…
- Subject Scientists--Portraits, Beckman, Arnold O.
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Portrait of Arnold O. Beckman (1900-2004)
- 1958
Dr. Arnold O. Beckman (1900-2004) invented the first commercially successful electric pH meter in 1934 and thus began a long career manufacturing scientific and medical instruments with National Technical Laboratories,…
- Photographer Raeburn, Jean
- Subject Scientists--Portraits, Beckman, Arnold O.
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Portrait of Arnold O. Beckman (1900-2004)
- 1958
Dr. Arnold O. Beckman (1900-2004) invented the first commercially successful electric pH meter in 1934 and thus began a long career manufacturing scientific and medical instruments with National Technical Laboratories,…
- Photographer Raeburn, Jean
- Subject Scientists--Portraits, Beckman, Arnold O.
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Arnold O. Beckman and Ronald Reagan
- 1971
Dr. Arnold O. Beckman (1900-2004) invented the first commercially successful electric pH meter in 1934 and thus began a long career manufacturing scientific and medical instruments with National Technical Laboratories,…
- Photographer Studio One Professional Photography
- Subject Reagan, Ronald, Beckman, Arnold O., Presidents, Governors--U.S. states
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Arnold and Mabel Beckman with unidenified men at the Penn Chemicals B.V. plant in Cork, Ireland
- 1982
Dr. Arnold O. Beckman (1900-2004) invented the first commercially successful electric pH meter in 1934 and thus began a long career manufacturing scientific and medical instruments with National Technical Laboratories,…
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Portrait of Arnold O. Beckman (1900-2004)
- Undated
Dr. Arnold O. Beckman (1900-2004) is pictured here with his pH meter, which he invented in 1934 and which became the first commercially successful electric pH meter. Thus began a long career manufacturing scientific and…
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Portrait of Arnold O. Beckman (1900-2004)
- 1960
Dr. Arnold O. Beckman (1900-2004) invented the first commercially successful electric pH meter in 1934 and thus began a long career manufacturing scientific and medical instruments with National Technical Laboratories,…
- Subject Scientists--Portraits, Beckman, Arnold O.
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Portrait of Arnold O. Beckman (1900-2004)
- 1960
Dr. Arnold O. Beckman (1900-2004) is pictured here with his Model G pH meter, which he invented in 1934 and which became the first commercially successful electric pH meter. Thus began a long career manufacturing…
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Aerial view of the Analytical Laboratory at Dow Chemical Company
- 1988
Aerial view of the Analytical Laboratory at the Dow Chemical Company facilities in Midland, Michigan. Three employees are visible on the ground floor of the laboratory, surrounded by assorted analytical instruments and…
- Creator Of Work Dow Chemical Company
- Subject Laboratories, Dow Chemical Company, Scientific apparatus and instruments
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Interior of Analytical Laboratory at Dow Chemical Company
- 1988
Interior view of the Analytical Laboratory at the Dow Chemical Company facilities in Midland, Michigan. Assorted analytical instruments and computational equipment is visible throughout the laboratory, including a…
- Creator Of Work Dow Chemical Company
- Subject Laboratories, Dow Chemical Company, Scientific apparatus and instruments
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Employees at work in Dow Glass Fabrication department
- 1952
View of two unidentified employees shaping assorted laboratory glassware in the Dow Chemical Company's Glass Fabrication department. The man on the left (closest to the camera) is seen using a table-top blow torch to…
- Creator Of Work Dow Chemical Company
- Photographer Korling, Torkel
- Subject Employees, Glass blowing and working, Laboratories, Dow Chemical Company, Glass manufacture, Glassware
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Handi-Wrap Lunch Box Go-Together sale display
- 1964
Promotional display advertising a Lunch Box Go-Together sale featuring Dow Handi-Wrap. Several boxes of Handi-Wrap form the base of the display, which is topped with a lunch box and stack of assorted foodstuffs wrapped…
- Creator Of Work Dow Chemical Company
- Subject Plastics, Marketing, Dow Chemical Company, Consumer goods, Advertising, Food--Packaging, Plastics in packaging
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Handi-Wrap Lunchbox Go-Togethers sale display
- 1964
Promotional display advertising a Lunchbox Go-Together sale featuring Dow Handi-Wrap. The display consists of a series of cards, arranged in a circular pattern, showcasing an assortment of foodstuffs available at a…
- Creator Of Work Dow Chemical Company
- Subject Plastics, Marketing, Dow Chemical Company, Consumer goods, Advertising, Food--Packaging, Plastics in packaging
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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, Industries, Dow Chemical Company, Aerial photographs
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Spectroscopy Laboratory at Dow Chemical Company
- 1953
General view of a technician operating an electrostatic accelerator in the Dow Chemical Company's Spectroscopy Laboratory.
- Creator Of Work Dow Chemical Company
- Photographer Korling, Torkel
- Subject Spectrum analysis, Laboratories, Dow Chemical Company, Employees, Scientific apparatus and instruments
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RCA Model EMU electron microscope in Dow Chemical Company laboratory
- 1952
General view of two technicians using a RCA Model EMU electron microscope in the Dow Chemical Company's Metallurgical Laboratory. Electron microscopes use a beam of accelerated electrons as a source of illumination and…
- Creator Of Work Dow Chemical Company
- Photographer Korling, Torkel
- Subject Laboratories, Microscopy, Microscopes, Dow Chemical Company, Scientific apparatus and instruments, Radio Corporation of America
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Bill Beamer at work in Dow Spectroscopy Laboratory
- 1952
General view of technician Bill Beamer operating an unidentified machine in the Dow Chemical Company's Spectroscopy Laboratory.
- Creator Of Work Dow Chemical Company
- Photographer Korling, Torkel
- Subject Spectrum analysis, Laboratories, Dow Chemical Company, Machinery, Employees, Scientific apparatus and instruments, Beamer, Bill
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Microscope at Dow Metallurgy Laboratory
- Circa 1952
General view of a technician using a microscope to examine a specimen in the Dow Chemical Company's Metallurgy Laboratory.
- Creator Of Work Dow Chemical Company
- Photographer Korling, Torkel
- Subject Employees, Laboratories, Microscopy, Microscopes, Dow Chemical Company, Scientific apparatus and instruments