The photo album documents 50th anniversary celebrations at the Japanese subsidiary of Beckman Instruments, established in Tokyo in 1977. A number of pictured individuals are identified. Unused pages of the album have…

Arnold O. Beckman arranged a banquet for Lee de Forest (seated), at which he and Jonathan Zenneck (standing) met in person for the first time since 1912.

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

Sample book with tints and suggestions on the use of Natural Certified Food Colors in beverages, confectionery, ice cream, and other food products.

Color print newspaper advertisement for the Dow Chemical Company is a photograph of various products DowBrands produces including Scrubbing Bubbles Bathroom Cleaner, Saran Wrap, Glass Plus, fantastik, heavy duty oven…

Color print advertisement for the Dow Chemical Company featuring a farm scene centered upon a woman stirring a large cauldron over a fire. The accompanying text details the use of caustic soda (sodium hydroxide)…

Color print advertisement for Metalam, a film-and-foil packaging combination manufactured and sold by the Flexible Packaging Sales division of the Dow Chemical Company. The advertisement features chunks of raw beef and…

Color print advertisement for Metalam, a film-and-foil packaging combination manufactured and sold by the Dobeckmun Company, a division of the Dow Chemical Company based in Cleveland, Ohio. The advertisement features a…

Color print advertisement for Metalam, a film-and-foil packaging combination manufactured and sold by the Dobeckmun Company, a division of the Dow Chemical Company based in Cleveland, Ohio. The advertisement features a…

Color print advertisement for Durafilm, transparent packaging manufactured and sold by the Dobeckmun Company, a division of the Dow Chemical Company based in Cleveland, Ohio. The advertisement features stacked blocks of…

Color print advertisement for polyethylene film manufactured and sold by the Dobeckmun Company, a division of the Dow Chemical Company based in Cleveland, Ohio. The advertisement features a package of Golden Grain…

Color print advertisement for the Dow Chemical Company depicting a woman holding a bag of groceries. The accompanying text details various applications of Dow products to aid in the production of a wholesome and…

Color print advertisement for the Dow Chemical Company depicting a woman in the kitchen holding a loaf of bread over a table with prepared foods. A man in winter attire stands at the kitchen door in the background. The…

Color print advertisement for the Dow Chemical Company depicting a woman buying groceries at a checkout counter with a line of people behind her, including an African American man. The accompanying paragraph details…

The reprinted article, originally published in Bakers Digest, was written by employees of the Fleischmann Laboratories and featured photographs of Beckman pH meters.

Arnold Beckman invented his first pH meter in 1934…

The photographs depict Arnold Beckman at a variety of meetings and events. Identified individuals include Arnold Beckman, P. Dodds, V. Rossetti, Robert T. Sheen, W. G. Brombacher, Taylor Fletcher, Jack Bishop, William…

The photographs show Wallace Coulter cutting a boat-shaped cake at a celebration of Coulter Corporation's anniversary.

Wallace and Joseph Coulter founded the Coulter Corporation to market Coulter Counters, instruments…

Identified individuals are (left to right in the photograph of four people) Tommy Williams (stores supervisor), Arthur Swartz (managing director), Dick Loubser (service manager), and April Dingane (office messenger).

Pictured individuals are Jim Hain (development engineer), Neil Sutherland (quality control technician), Maurice Cheeseman (EAMO director), and Alan Crose (fabrication manager).

Pictured individuals are Lars-Gunnar Sellman (product specialist), Tommy Lindgren (general manager), Bernt Granath (service engineer), and Ingalill Hansson (account assistant).

Pictured individuals are Ingrid van der Meer (secretary), Frits van Marle (stockroom man), and Rob Duetz (workshop engineer).

Pictured individuals are Yolanda Macia (secretary to the general manager), Ignacio Higarda (commercial director) and Jesus Bohorquez (service engineer).

The pictured employees are Klaus Feike (sales engineer), Volker Bock (product line specialist), Gertrude Heindl (secretary), and Lorenz Baumgartner (shipping supervisor).

General view of employees at work in the Bureau of Chemistry's Protein Investigation Laboratory, with view of assorted laboratory glassware and apparatus. Part of the U.S. Department of Agriculture, the Protein…

General view of two employees working in the Bureau of Chemistry's Oil, Fat, and Wax Laboratory, with view of assorted laboratory glassware and apparatus. Part of the U.S. Department of Agriculture, the Oil, Fat, and…