Search Results
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Portable pH meter in use at Althouse Chemical Company plant
- 1946
General view of Martin Eby (left) using a portable pH meter at the Althouse Chemical Company manufacturing plant in Reading, Pennsylvania. The photograph also shows several pieces of equipment used in the manufacture of…
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Portrait of Dr. C. Scott Althouse
- 1950s
Portrait of Dr. C. Scott Althouse (1880-1970), founder of the Althouse Chemical Company. A graduate of the Philadelphia Textile Institute (1900), Dr. Althouse worked with his father dyeing textiles before founding the…
- Contributor Feeman, James
- Subject Althouse, C. Scott, 1880-1970, Dye industry, Dyes and dyeing, Althouse Chemical Company, Industrialists
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Addition of chemical intermediate at Althouse Chemical Company plant
- 1946
View of Martin C. Eby, Plant Manager, at the Althouse Chemical Company plant in Reading, Pennsylvania adding a chemical intermediate to a steel autoclave. At right, a barrel of intermediate sits on a portable scale.
…- Contributor Feeman, James
- Subject Dye industry, Employees, Dyes and dyeing, Dyes and dyeing--Equipment and supplies, Althouse Chemical Company
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Production Department at the Althouse Chemical Company plant
- 1946
General view of the Production Department at the Althouse Chemical Company plant in Reading, Pennsylvania showing various equipment used in the production of azo dyes. Assorted equipment and apparatus visible in the…
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Coupling tubs at the Althouse Chemical Company plant
- 1946
General view of the coupling tubs used for the manufacture of azo dyes at the Althouse Chemical Company plant in Reading, Pennsylvania. In a typical manufacturing process for azo dyes, coupling tubs are recessed in the…
- Contributor Feeman, James
- Creator Of Work Tenschert Commercial Photo Studio
- Subject Dye industry, Dyes and dyeing, Dyes and dyeing--Equipment and supplies, Althouse Chemical Company
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Exterior of the Althouse Chemical Company plant
- After 1954
Exterior of the Althouse Chemical Company manufacturing plant located at 540 Pear Street in Reading, Pennsylvania. The Althouse Chemical Company was founded in 1915 by C. Scott Althouse (1880-1970) as a small,…
- Contributor Feeman, James
- Subject Dye industry, Dyes and dyeing, Althouse Chemical Company
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Now...a better double-beam infrared spectrophotometer...the Beckman IR-4
- 1956
Advertisement for the new IR-4 Spectrophotometer, which would be on display at the Pittsburgh Conference on Analytical Chemistry and Applied Spectroscopy (PittCon) in 1956.
The Beckman Instruments IR spectrophotometers…
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Memo from Arnold O. Beckman to NTL staff
- 1950-Aug-01
This internal National Technical Laboratories memo expresses Dr. Beckman's concern that NTL is losing its place in the infrared spectrophotometer field, with a special focus on competitors Baird and Perkin-Elmer. The…
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Letter from L. M. K. Boelter to Arnold O. Beckman
- 1953-Jul-16
In this letter, Dr. Boetler thanks Arnold O. Beckman for donating several components of an EASE computer to the University of California Los Angeles's Department of Engineering. Dr. Boetler also thanks Dr. Beckman…
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Beckman Model G pH meter circuit diagram
- 1943-Dec-02
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 “acidimeter” with its…
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Beckman Model 80 Oxygen Analyzer
- Circa 1959
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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Letter from P. E. Paules to Beckman Instruments
- 1952-Apr-16
This letter to an unidentified person at Beckman Instruments, Inc. describes an omission in the Model G pH meter documentation, which does not include replacing the batteries as a possible fix for a specific problem.
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Beckman Model R pH meter
- 1942 – 1959
The Model R Industrial pH Meter was first produced in 1942, although this photograph was likely taken much later.
Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California…
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Beckman Model H pH meter pictorial wiring diagram
- 1946-Oct-16
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 Model H pH meter schematic wiring diagram
- 1946-Oct-17
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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Memo from Jan W. Haagen-Smit to John Leonard
- 1957-Nov-06
- 1957-Nov-13
In this memo, Jan Haagen-Smit includes a labeled photograph of the testing set-up for the Beckman oxygen electrode, which includes Beckman Oxygen Analyzers. The memo (but not the photograph) in this digitized image is a…
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Unequalled for Precise Research and Analytical Work
- 1940s
This advertisement for the Model G pH meter highlights the different electrodes that could be used with it. The Model G was Beckman Instruments's first commercial pH meter.
Arnold Beckman invented his first pH meter in…
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Labeled image of Beckman Photoelectric Spectrophotometer
- Bulletin 79A
- Circa 1941
The first Beckman Instruments DU Spectrophotometer was developed in 1940, when the company was still called National Technical Laboratories. Spurred by employee Howard Cary (who had previously been involved in pH meter…
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Instructions for Beckman Model G pH meter
- 1958-Oct
Owners of the Model G would have found these instructions tucked inside the lid of the wooden case surrounding the instrument.
Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the…
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Portrait of Lammot du Pont II (1880-1952)
- 1941-Sep
Portrait of Lammot du Pont II (1880-1952), former President of the E.I. du Pont de Nemours & Company (1926-1940) and Chairman of the Board of Directors.
- Photographer Harris & Ewing
- Subject Portrait photography, Portraits, E.I. du Pont de Nemours & Company, Industrialists, Du Pont, Lammot, 1880-1952
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The Age of Instrumentation
- Circa 1957
This artwork depicts the "Age of Instrumentation" as the culmination of centuries of scientific progress through five stages: Discovery, Curiosity, Analysis, Technology, and Automation. This painting was featured in the…
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Multi-turns? We've got 'em!
- 1959
Advertisement for multi-turn potentiometers made by the Helipot Division of Beckman Instruments.
Potentiometers regulate the flow of electricity, like the volume dial on a radio. In 1940, Arnold O. Beckman was…
- Creator Of Work Beckman Instruments, Inc.
- Subject Scientific apparatus and instruments, Potentiometer, Beckman Instruments, Inc.
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Portrait of Leo Hendrik Baekeland (1863-1944)
- After 1920 – 1944
Portrait of Leo Hendrik Baekeland (1863-1944), inventor of Bakelite, the first fully synthetic plastic.
- Manufacturer Underwood & Underwood
- Subject Portrait photography, Inventors, Bakelite, Baekeland, L. H. (Leo Hendrik), 1863-1944, Plastics
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Beckman Model D 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,…
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Beckman Model F3 Oxygen Analyzer
- 1959
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,…
