The memo discusses a "favorable year in employee relations," including employees' reactions to new policies, the integration of newly acquired businesses, a supervisory training program, retirement benefits, health…

The respondents answered questions about the technical capabilities of centrifuges in their institutions, and also offered additional commentary.

Beckman Instruments began producing centrifuges after their January 1,…

The questionnaire results identified pH meter features that would broadly appeal to biologists.

Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California citrus industry, who…

The numbered series of photographs shows the Beckmans at an unidentified event, formal enough that name tags are involved, but in a setting that could be a private home.

In this letter, Emery, as secretary of the American Chemical Society, proposes Arnold Beckman as a nominee for President-Elect of the ACS. Beckman was ultimately not nominated, but his name was proposed again in 1956.

This report is not an instruction manual, but instead an overview of the (DU) photoelectric quartz spectrophotometer, containing descriptions of its components and specifications.

The first Beckman Instruments DU…

This survey was distributed at the Statewide Conference on Air Pollution Legislation, held in San Francisco on February 21, 1955. Beckman's comments and changes were incorporated into the final version distributed at…

This survey was conducted at the Statewide Conference on Air Pollution Legislation, held in San Francisco on February 21, 1955. The results indicate that (among other things) attendees favored creating new air pollution…

These internal memos document a year's worth of human resources and other personnel decisions made at National Technical Laboratories, the precursor to Beckman Instruments. Some entries may have been written by Arnold…

Lee de Forest (1873–1961) was an inventor, most notably of Audion vacuum tubes in the early twentieth century. His serial business ventures included work in radio, telegraphy, telephony, broadcasting, and film.

In this letter, Beckman declines to develop de Forest's light amplifier.

The memo outlines the reasons Beckman should not undertake development of Lee de Forest's light amplifier.

This letter suggests Beckman might be interested in commercial development of de Forest's new invention, a "sandwich, non-vacuous, light amplifier."

U.S. Patent 2,594,740, filed on behalf of Lee de Forest and William A. Rhodes, describes a device for amplifying the intensity of radiation.

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

Lee de Forest states that he returned from a trip to Chicago to find his company in financial disarray. He regrets that Beckman's contracted work was continued, despite an inability to pay for it, and assures him that…

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…

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…

Lee de Forest discusses testing Beckman's film-coating process with antimony. A sample of antimony paper is included.

Arnold O. Beckman provides an overview of the vacuum film-coating process developed for Lee de Forest. The process successfully coated film with magnesium, lead, bismuth, aluminum, and silver. The letter is apparently…

In this letter, de Forest discusses the possibility of using chemicals to fight forest fires.

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

In this letter, de Forest proposes a process that could replace halftone film.

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

De Forest inquires about Beckman's progress toward a chemical coating that might change in opacity or color, and details the "very fine and uniform quality" of silver coated film de Forest is able to produce.

Lee de…

The letter discusses the "very nice results" of using new Eastman film and queries as to the possible effects of light upon silvering solution.

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

The letter requests deliverables of 100 feet of silvered film, and two 10 foot pieces with a silver coating on emulsion film and clear stock.

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

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