Search Results
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Beckman Model 7160 Eput Meter
- Undated
EPUT (Events Per Unit Time) meters measure changes in voltage during a specified amount of time, and so can be used to count or measure any event that can be represented as a voltage change or pulse. This includes, but…
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Beckman Model 930 Air Compression Pycnometer
- Circa 1970
Gas pycnometers measure the volume and/or density of solid objects through gas displacement and Boyle's Law. This particular model was marketed as early as 1961.
- Photographer Hesketh, Dean D.
- Subject Pycnometer, Scientific apparatus and instruments, Beckman Instruments, Inc.
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Unidentified men with Beckman Ratio Recording Spectrophotometer
- Circa 1966
Also known as the DK-2 Spectrophotometer, this model covered ultraviolet, visible, and near-infrared spectral ranges. These men are likely part of the team that designed the instrument.
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Beckman Ratio Recording Spectrophotometer
- 1955
Also known as the DK-2 Spectrophotometer, this model covered ultraviolet, visible, and near-infrared spectral ranges. The Beckman DK Spectrophotometer was an enhancement of the DU, which expanded the instrument’s range…
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Beckman Model 72 pH Meter with buffer solution
- Circa 1960
The Model 72 was a line operated version of the Model 76 Expanded Scale pH Meter, designed for routine use.
Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California citrus…
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Beckman Model 150 RF Gas Analyzer
- 1955
Capable of resolving each mass unit up to 60. Originally marketed with a $6,000 price tag, accessories were available to analyze hydrogen and helium.
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Beckman Model DB-G Spectrophotometer
- 1960s
Produced in the 1960s, the DB-G was a single-beam grating (as opposed to a prism) ultraviolet spectrophotometer.
The first Beckman Instruments DU Spectrophotometer was developed in 1940, when the company was still…
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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