This letter suggests Beckman might be interested in commercial development of de Forest's new invention, a "sandwich, non-vacuous, light amplifier."
Lee de Forest states that he has "temporarily become disassociated from the activities of De Forest Television Corporation" and advises Beckman to retain any equipment currently in his possession.
Lee de Forest…
- Circa 1936
The receipt lists materials the De Forest Television Corporation received from Arnold O. Beckman. The memorandum concerns work Beckman performed for the American Television Corporation, the De Forest Television…
In this letter Pauling reiterates requests for permission to discuss and publish on the oxygen meter, and argues for loosening security classification. He cites Arnold O. Beckman's permission to discuss the project…
In this letter, Prentiss shares his initial impressions of a prototype aircraft oxygen meter.
Developed from a Linus Pauling design during WWII, the technology behind Beckman Instruments’ oxygen analyzers ended up…
In this handwritten letter, Prentiss discusses reports on the oxygen meter contracts and the possibility of working for Phillips Petroleum, despite his lack of enthusiasm for relocating to Oklahoma.
Developed from a…
The letter outlines the Navy's requirements for the Pauling oxygen meter. The spelling of the recipient's name is likely a mistake, as letters written by Wood himself spell his first name "Reuben."
Developed from a…
Summarizing a report of the Army Medical Center's trial of the Pauling oxygen meter, Julius Kauffman noted that the device was accurate but "rather fragile."
Developed from a Linus Pauling design during WWII, the…
The letter discusses the various parties interested in testing Pauling oxygen meters and the possibility of meeting in Washington or Philadelphia.
Developed from a Linus Pauling design during WWII, the technology…
The letter sketches the specifications for a partial pressure indicator for use in aircraft, and notes that a prototype has already been constructed. The recipient may be a member of the Navy's Research and Development…
The letter discusses testing of the Pauling hospital oxygen meter and concerns about its ruggedness--specifically, its ability to survive being dropped onto a stone floor from a height of three feet.
Developed from a…
Prentiss responds to Kauffman's assessment of the hospital oxygen analyzer, with emphasis upon the question of its ruggedness.
Developed from a Linus Pauling design during WWII, the technology behind Beckman…
- Case Color for 9600 PH Meter
In this memo, Walter Donner discussed the color and material to be used for the Zeromatic's case.
Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California citrus industry, who…
Raymond Schiff describes the dangers of Zeromatic users receiving electric shocks.
Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California citrus industry, who needed an…
In one of a series of memos regarding the Zeromatic pH meter, Ed Molloy outlines differences between the 9600 and H-2 models and proposes solutions for grounding the instrument.
Arnold Beckman invented his first pH…
- Evaluation Study of Twenty-five Zeromatic pH Meters
The memo discusses a study of Zeromatic pH meters and includes a handwritten table of data.
Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California citrus industry, who needed…
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…
The handwritten account, possibly written by James C. Sternberg, is missing early pages.
The Glucose Analyzer was developed by James Sternberg in 1969 and was one of several very successful medical testing and analysis…
The photostat document lists the first hundred companies and institutions to use Beckman's quartz spectrophotometers; the original document was undated.
The first Beckman Instruments DU Spectrophotometer was developed…
The letter provides an outsider perspective on Beckman Instruments' competition for the DR spectrophotometer's market.
This letter from S. Feier of Buffalo Apparatus Corporation provides an outsider perspective on competition for Beckman Instruments' DR Spectrophotometer market, with specific mention of the Fisher Spectrocord.
The memorandum discusses a rival company's spectrophotometer, the Warren Spectracord. (Warren Electronics, Inc. would be acquired by Perkin-Elmer in 1956). The Beckman Instruments DR Spectrophotometer is framed as…
This letter regards the use of oxygen meters on submarines and in hospitals, issues of cost and portability, and the Naval Research Laboratory's interest in detecting other gases.
Developed from a Linus Pauling design…
The letter regards the development of Models K and L oxygen meters, recommendations for which are ready for further testing by the National Defense Research Committee, and a note that some are unsuitable due to…
Arnold Beckman informs J. H. Rushton that the Model G oxygen meter is ready for testing, but the Model F is not. An order has been received from the Linde Company, but not fulfilled, and an experimental instrument was…