General view of an unidentified employee using an apparatus to conduct an analysis at the Dow Chemical Company's Agricultural Research Laboratory facilities in Seal Beach, California. The laboratory was commonly used to…

General view of the manufacturing of saran film at the Dow Chemical Company plant in Midland, Michigan. During production, saran film was trimmed and wound into so-called inventory rolls, such as those visible in the…

General view of an unidentified employee handling a saran bubble as it is extruded from a machine during the production of saran film at the Dow Chemical Company plant in Midland, Michigan. During production, the film…

General view of the assembly of rolls of Saran Wrap at the Dow Chemical Company plant in Midland, Michigan. Initially developed for the U.S. Army to wrap arms and equipment for transport during World War II, saran…

General view of an unidentified employee at work in the Dow Chemical Company plant facilities located in Midland, Michigan. Several industrial-sized reaction vessels are visible in the photograph.

General view of the interior of a section of the Dow Chemical Company Glycol plant located in Midland, Michigan.

General view of chemist Roger Monroe working with a still in the Dow Chemical Company's Bush Aromatics Research Department.

General view of an unidentified employee conducting an experiment with assorted fruit specimens in the Dow Chemical Company's Biological Chemical Laboratory. The laboratory commonly conducted research and testing…

General view of an unidentified employee working with assorted test tubes in the Dow Chemical Company's Biological Chemical Laboratory. The laboratory commonly conducted research and testing related to the development…

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…

General view of an employee operating an apparatus used to study ammonia at the Bureau of Chemistry's Nitrogen Laboratory. Part of the U.S. Department of Agriculture, the Nitrogen Laboratory conducted investigations…

General view of the Bureau of Chemistry's Nitrogen Laboratory showing assorted laboratory glassware and apparatus. Part of the U.S. Department of Agriculture, the Nitrogen Laboratory conducted investigations into…

General view of an employee conducting an analysis of an unidentified substance in the Bureau of Chemistry's Nitrogen Laboratory. Part of the U.S. Department of Agriculture, the Nitrogen Laboratory conducted…

General view of two employees at work in a Bureau of Chemistry Drug Laboratory, with view of assorted laboratory glassware and apparatus. Part of the U.S. Department of Agriculture, such laboratories commonly…

General view of two employees at work in an Agricultural Research Service Drug Laboratory, with view of assorted laboratory glassware and apparatus. Part of the U.S. Department of Agriculture, such laboratories commonly…

General view of three employees at work in the Bureau of Chemistry's Naval Stores Investigation Laboratory, a division of the Leather and Paper Laboratory. Assorted laboratory glassware and apparatus, as well as notices…

General view of the Bureau of Chemistry's Carbohydrate Laboratory showing assorted laboratory glassware and apparatus. Part of the U.S. Department of Agriculture, the Carbohydrate Laboratory analyzed the physical and…

General view of the Bureau of Chemistry's Carbohydrate Laboratory showing assorted laboratory glassware and apparatus. Part of the U.S. Department of Agriculture, the Carbohydrate Laboratory analyzed the physical and…

General view of an employee in the Bureau of Chemistry's Water and Beverage Laboratory conducting an analysis on an unidentified substance. Assorted sample jars and scientific apparatus are visible in the photograph.…

Translucent green, glass round-bottomed vase with heavy rainbow luster throughout. Base of the vase is round and then attaches to a vertical tube in the center, top of the tube has an ornamental curved design that…

Spectroscope is in the style of the original Bunsen-Kirchhoff design. Triangular glass prism sits on a round, brass dias and is held in place by a metal arm attached to the dias; prism is coated in black paint with only…

Notebook consists of handwritten notes taken by Francis E. Scott at the U.S. Army Gas School at Camp Kendrick, New Jersey, on the use of gas in warfare. The notes include teaching aids and a circular letter from…

General view of photo technician Russ Johnson operating a photostat machine in the Dow Chemical Company's Photographic Laboratory. Acquired from the Engineering Department, the photostat machine was used to reproduce a…

General view of senior photo technician Ford Bowers printing photographs in the Dow Chemical Company's Photographic Laboratory. Established in the 1930's, the Photo Lab took pictures for employee publications like The…