Search Results
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11 items
Beckman Infrared Spectrophotometer, Model IR2
- Beckman Bulletin 153
- 1946-May
The cover of the bulletin includes handwritten notes about printing dates and quantities.
The Beckman Instruments IR spectrophotometers began as a request from the Office of Rubber Reserve to Arnold O. Beckman in 1942,…
- Creator Of Work Beckman Instruments, Inc.
- Subject Scientific apparatus and instruments, Spectrophotometer, Infrared spectroscopy, Beckman Instruments, Inc.
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5 items
National Technical Laboratories, South Pasadena, California
- Undated
- 1943
- 1948
This building at 820 Mission Street was the first built exclusively for National Technical Laboratories in 1940.
One photograph bears a photographer's stamp for J. Allen Hawkins on the back, but the other images in…
- Photographer Hawkins, J. Allen
- Subject Factories, Employees, Portraits, Group, Beckman Instruments, Inc.
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Film projector at Dow Chemical Company plant
- 1948-Feb-24
General view of instrument journeyman Willard Van Wingerden operating a 16mm film projector at a Dow Chemical Company employee group meeting. Wingerden was a member of Dow's Instrument Department, which was responsible…
- Creator Of Work Dow Chemical Company
- Subject Projectors, Employees, Industries, Scientific apparatus and instruments, Dow Chemical Company, Motion picture projectors
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Melvin Dietzel and Larry Oeffner examining replacement parts in Dow's Instrument Department
- 1948-Feb-24
General view of Melvin Dietzel (kneeling) and Larry Oeffner examining the stock supply of replacement parts in the Dow Chemical Company's Instrument Department. Established in 1926, the Instrument Department was…
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Harry Beamish using Foxboro recording thermometer in Dow Instrument Department
- 1948-Feb-24
General view of instrument journeyman Harry Beamish inserting an element into a Foxboro recording thermometer in the Dow Chemical Company's Instrument Department. Established in 1926, the Instrument Department was…
- Creator Of Work Dow Chemical Company
- Subject Employees, Industries, Scientific apparatus and instruments, Dow Chemical Company, Thermometers, Thermometers--Calibration, Beamish, Harry
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August Aaron calibrating voltmeter in Dow's Instrument Department
- 1948-Feb-24
General view of Instrument calibrationist August Aaron checking the calibration of a voltmeter in the Dow Chemical Company's Instrument Department. Established in 1926, the Instrument Department was responsible for the…
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Norris Hunemorden servicing control panel at Dow Ethylene Glycol plant
- 1948-Feb-24
General view of instrument journeyman Norris Hunemorden servicing a Foxboro recorder, part of the control panel at the Dow Chemical Company's Ethylene Glycol Plant. Hunemorden was a member of Dow's Instrument…
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Instrument Department at Dow plant in Midland, Michigan
- 1948-Feb-24
General view of the Instrument Department workroom at the Dow Chemical Company plant located in Midland, Michigan. Established in 1926, the Instrument Department was responsible for the installation and maintenance of…
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Instrument Department at Dow plant in Midland, Michigan
- 1948-Feb-24
General view of the Instrument Department workroom at the Dow Chemical Company plant located in Midland, Michigan. Established in 1926, the Instrument Department was responsible for the installation and maintenance of…
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Robert L. Kennedy at work in Dow Instrument Department
- 1948-Feb-24
General view of skilled instrument specialist Robert L. Kennedy cleaning and repairing a stop watch in the Dow Chemical Company's Instrument Department. Established in 1926, the Instrument Department was responsible for…
- Creator Of Work Dow Chemical Company
- Subject Stopwatches, Employees, Industries, Scientific apparatus and instruments, Dow Chemical Company, Kennedy, Robert L.
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Circuit Diagram, Beckman pH Meter, Laboratory Model
- Dwg. No. CD-2000B
- 1945-Jan-24
The diagram is annotated in red and blue ink, indicating first and second position.
Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California citrus industry, who needed an…
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Interior of Beckman Model IR-1 Spectrophotometer
- 1940s
The Beckman Instruments IR spectrophotometers began as a request from the Office of Rubber Reserve to Arnold O. Beckman in 1942, asking for an infrared spectrophotometer that they could use to create rubber. Under this…
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11 items
Model F resistor notes and diagrams
- 1946-Apr-08
Handwritten and -drawn notes detail the resistors used in the Model F pH meter.
Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California citrus industry, who needed an accurate…
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Letter from H. M. Steininger to Arnold O. Beckman
- 1948-Oct-07
A chemist with Standard Oil Company's Research Department, Steininger explored the possible creation of an instrument to analyze and record hydrogen sulfide concentrations in oil refineries, a safety measure otherwise…
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Brine well at Dow Chemical Company plant
- 1940s
General view of a brine well at the Dow Chemical Company facilities in Midland, Michigan. Also known as salt wells, brine wells are used to extract salt from subterranean caverns or deposits for use in a variety of…
- Creator Of Work Dow Chemical Company
- Subject Salt, Industries, Dow Chemical Company, Salt mines and mining
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Aerial view of Dow plant in Pittsburg, California
- 1940s
Aerial view of the Dow Chemical Company plant located in Pittsburg, California. A range of products and processes were researched, developed, and produced at the plant, including chlorination, textiles, fumigants, and…
- Creator Of Work Dow Chemical Company
- Photographer Sunderland, Clyde
- Subject Aerial views, Industries, Dow Chemical Company, Aerial photographs
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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, 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 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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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…