The handwritten document was created in connection with Arnold O. Beckman's consulting work for Lee de Forest.

Arnold O. Beckman, then an assistant professor of chemistry at Caltech, offers his assistance as a consulting chemist.

Lee de Forest (1873–1961) was an inventor, most notably of Audion vacuum tubes in the early…

In this letter, Lee de Forest requests a referral to a chemist who might help electroplate film.

Lee de Forest (1873–1961) was an inventor, most notably of Audion vacuum tubes in the early twentieth century. His serial…

Architect William Pereira writes to invite Arnold O. Beckman to a dinner in celebration of an award for the Helipot building in Newport Beach, California. The Pereira & Luckman-designed building was to be honored as one…

This letter includes a report on existing Beckman trademarks as of 1947, including information on the "acidimeter" and the point at which that instrument became known as the pH meter (1935).

The memorandum documents complaints about the architecture firm Pereira & Luckman. Duncan states that "we have been anywhere from moderately displeased to completely upset with P & L."

The report concerns the business of electrodes, including legally challenging questions about possible patent infringement.

Mass spectrometers measure the mass of sample components after ionization.

Walter Donner's work with Beckman Instruments including oversight of the development of medical monitoring equipment for the Apollo, Mercury,…

Beckman Instruments' analog computers were being produced by their Berkeley Division as early as 1953. The company produced analog computers -- also called automation, data reduction, or data handling systems -- for the…

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, Churchill confirms that the National Defense Research Committee (NDRC) has granted Beckman permission to discuss the Pauling Oxygen Meter at an American Chemical Society meeting.

In this letter, Beckman requests that a former employee, Robert A. Crane, receive an early discharge from the Navy in light of his father's poor health. Beckman notes that he has an open position for Crane.

In this letter, Beckman requested permission to discuss the Pauling Oxygen Meter and made the case that the National Defense Research Committee (NDRC) should lift the "Restricted" classification.

The binder includes several proforma invoices, photographs, and Bulletin 423-A: Operating and Maintenance Instructions, IR4 Infrared Spectrophotometer.

The Beckman Instruments IR spectrophotometers began as a request…

The oxygen recorder described was intended for analyzing flue gases produced from burning oil or coal.

The letter expresses Bush's "personal and official appreciation and commendation" for contracted work performed in furtherance of the war effort.

This draft document includes extensive annotations; the stylistic and technical changes are reflected in a later version.

Developed from a Linus Pauling design during WWII, the technology behind Beckman Instruments’…

The Operating and Maintenance Instructions, 503-C, make up the bulk of the volume and are dated May 1958. Beckman Instructions 535-A, 17329 Gas-Liquid Partition Chromatography Column (Di-N-Butyl Maleate), dated June…

The advertisement was created for publication in Service Station Management and Motor Age. It emphasizes the reliability of the Model 590 infrared exhaust analyzer, an instrument designed to detect pollutants in the…

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…

The brochure includes a map, list of personnel, and illustration of the Cedar Grove, New Jersey location of Beckman Instruments. Though undated, the brochure was created sometime between Beckman's acquisition of…

In 1958, Beckman Instruments held a company picnic at Holidayland, part of Disneyland. Holidayland was a rentable, 7-acre space that only existed from 1957-1961. This invitation was mailed to Lowell Stanley, who spent…

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…

Helinews was an in-house publication devoted to the products of Beckman's Helipot Division. This issue featured a two-page spread detailing the process of manufacturing cermet trimmers.