Patent #2,463,743 for a hydrogen tube designed by H. Howard Cary and Warren Baxter during their time at National Technical Labs, a precursor to Beckman Instruments. This tube was designed for use in UV…

The report evaluates the portable OM-1 oxygen meter, deeming it convenient and moderately precise, but sensitive to temperature fluctuations.

This oxygen electrode was first used inside Beckman Instruments pH meters and later in many other instruments.

The Beckman DK Spectrophotometer was an enhancement of the DU, which expanded the instrument’s range into near-infrared. This was accomplished by chemist Wilbur I. Kaye, who began his work on science behind the DK at…

The ultraviolet Model B was marketed as an easier to use and more affordable alternative to the Beckman DU Spectrophotometer.

The first Beckman Instruments DU Spectrophotometer was developed in 1940, when the company…

The ultraviolet Model B was marketed as an easier to use and more affordable alternative to the Beckman DU Spectrophotometer.

The first Beckman Instruments DU Spectrophotometer was developed in 1940, when the company…

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…

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…

Glass electrodes were used in Beckman pH meters and various other instruments.

The certificate offers congratulations on the acquisition of a Beckman pH meter and gently suggests the purchase of Beckman electrodes to use with the instrument.

Arnold Beckman invented his first pH meter in 1934 at…

This questionnaire contains frequently asked questions and common issues with the performance of the IR-2.

The Beckman Instruments IR spectrophotometers began as a request from the Office of Rubber Reserve to Arnold O.…

This page of instructions would have been located inside the lid of the pH meter, so that users would be able to read the instructions upon opening its case.

Arnold Beckman invented his first pH meter in 1934 at the…

This page of instructions would have been located inside the lid of the pH meter, so that users would be able to read the instructions upon opening its case.

Arnold Beckman invented his first pH meter in 1934 at the…

This report outlines the colorimetric and electrical ways to determine the pH of a solution and the various kinds of electrodes that can be used with electrical instruments. Beckman concludes that a method using glass…

Written by NTL (the precursor to Beckman Instruments, Inc.), this document outlines new standards for buffer solutions used in pH meters.

Arnold Beckman invented his first pH meter in 1934 at the request of a chemist…

Promotional, color pamphlet for the Model H 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 way to measure the…

Beckman Bits was produced to highlight the Beckman Instruments Systems Division's aerospace equipment and projects. In addition to project summaries, it contains photographs and original artwork depicting spacecraft and…

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…

The brochure outlines the importance of pH, Beckman's expertise, and several instruments: the Pocket pH meter, the Model G, the Model N, and the Zeromatic pH meter.

Arnold Beckman invented his first pH meter in 1934 at…

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…

The advertisement features a photo of a nurse regarding a physician who has delivered an Air Force missile. The text discusses the role of Beckman process instruments during missile loading and other aerospace…

The pamphlet provides an overview of the rules, prizes, and purpose of the Southern California Science Fair, held April 23-29, 1955, at the Los Angeles County Museum. The following year, Beckman Instruments would become…

The pamphlet provides an overview of the rules, prizes, and purpose of the Southern California Science Fair, held April 14-20, 1956, at the Los Angeles County Museum. Beckman Instruments was a sponsor of the Science…

The booklet describes the organization responsible for the Fifth Annual Southern California Science Fair, held in April at the Los Angeles County Museum. A list of student exhibitors includes their name, grade, exhibit…

Although the author is unknown, these instructions were most likely written by a Beckman Instruments employee. This glass electrode was used in Beckman pH meters.

Arnold Beckman invented his first pH meter in 1934 at…