Search Results
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Diagram of Beckman IR-85 spectrophotometer continuous wavelength drive
- 1945-Feb-08
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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Beckman Infrared Spectrophotometer amplifier circuit diagram
- 1946-May-21
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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The Beckman Model DR Recording Spectrophotometer
- 1945-Dec-05
The DR Spectrophotometer was a basic model DU (an ultraviolet, single beam, quartz-crystal spectrophotometer) with an added recorder. This one-sheet description of the instrument was used in several Beckman Instruments…
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Beckman IR-85 Spectrophotometer wiring diagram
- 1945-Feb-10
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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Beckman IR spectrophotometer power supply circuit diagram
- 1946-May-21
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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Beckman IR-85 motor wavelength drive
- Circa 1945
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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Guide to replacing absorption cell windows in Beckman IR spectrophotometer
- 1949-Mar-17
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…
- Creator Of Work Beckman Instruments, Inc.
- Subject Scientific apparatus and instruments, Spectrophotometer, Infrared spectroscopy, Beckman Instruments, Inc.
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Beckman IR-85 motor wavelength drive
- Circa 1945
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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Beckman Pocket Dosimeters: Operating & Maintenance Instructions
- Bulletin 206
- Circa 1949
The Pocket Dosimeter was designed to be a portable radiation monitoring system, carried by people to protect themselves against gamma and x-ray exposure.
- Creator Of Work Beckman Instruments, Inc.
- Subject Scientific apparatus and instruments, Radiation dosimetry, Radiation, Dosimeters, Beckman Instruments, Inc.
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Double conical blenders at Althouse Chemical Company plant
- 1946
View of the double conical blenders at the Althouse Chemical Company manufacturing plant located in Reading, Pennsylvania. Employees Howard Myers (left) and Warren Kalbach are seen filling drums with dye powder from the…
- Contributor Feeman, James
- Creator Of Work Tenschert, John A.
- Subject Dye industry, Employees, Dyes and dyeing, Dyes and dyeing--Equipment and supplies, Althouse Chemical Company
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Mark of a modern refinery...
- Circa 1948
This ad markets several Beckman instruments -- the Model R pH Indicator, the IR Spectrophotometer, and the DU Spectrophotometer -- for use in the oil refining industry.
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Loading dye paste onto dryer trays at Althouse Chemical Company plant
- 1946
View of employees loading dye paste onto dryer trays at the Althouse Chemical Company manufacturing plant in Reading, Pennsylvania. As part of the manufacturing process, the trays were later inserted into the…
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Control panel at the Althouse Chemical Company plant
- 1946
View of a control panel used to regulate the air pressure in the blow cases at the Althouse Chemical Company manufacturing plant in Reading, Pennsylvania. Housed in the Press Room, blow cases were used for blowing dye…
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Press Room at the Althouse Chemical Company plant
- 1946
General view of the Press Room at the Althouse Chemical Company manufacturing plant in Reading, Pennsylvania. Employees are seen removing press cake from the filter presses to transfer them to the buggies at the center…
- 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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Press Room at the Althouse Chemical Company plant
- 1946
General view of the Press Room at the Althouse Chemical Company manufacturing plant in Reading, Pennsylvania. Employees are seen removing press cake from the filter presses to transfer them to the buggies at the center…
- Contributor Feeman, James
- Subject Dye industry, Dyes and dyeing, Dyes and dyeing--Equipment and supplies, Althouse Chemical Company
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Heating tubs at the Althouse Chemical Company plant
- 1946
General view of the heating tubs at the Althouse Chemical Company manufacturing plant in Reading, Pennsylvania. At left, an unidentified employee is seen using a Hastelloy pipe and jet to pump high-pressure steam into…
- Contributor Feeman, James
- Creator Of Work Tenschert Commercial Photo Studio
- Subject Dye industry, Scientific apparatus and instruments, Dyes and dyeing, Dyes and dyeing--Equipment and supplies, Althouse Chemical Company
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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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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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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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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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2 items
Pauling Oxygen Analyzer
- 1940s
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,…