Black and white print advertisement for Dowex, a high-capacity resin manufactured and sold by the Dow Chemical Company for use in water softeners. This advertisement appeared on page 93 of the May 20, 1954 edition of Th…

Black and white print advertisement for Dowex, a high-capacity resin manufactured and sold by the Dow Chemical Company for use in water softeners. This advertisement appeared on page 87 of the May 1, 1954 edition of The…

Black and white print advertisement for Dowex, a high-capacity resin manufactured and sold by the Dow Chemical Company for use in water softeners. This advertisement appeared on page 77 of the September 11, 1954 edition…

Illustrated agricultural report with the purpose to "explain the nature, behavior, and conservation of water in agriculture." Discusses the strain on water resources, hydro-electric power, navigation, industrial use,…

Group photograph depicting United States President John F. Kennedy (center) pushing a button to activate the nation's first salt-water conversion plant located at the Dow Chemical Company facility in Freeport, Texas.…

Pamphlet published by the United States Department of Agriculture instructing citizens on home food and water storage for a fallout shelter.

Technical publication describing the systems of ion exchange deionization for treating boiler condensate, a major source of feedwater contamination. Proves how it is economically desirable to carry out high flow rate…

General view of laboratory technician Richard Thomson preparing water samples for testing at the New York City Bureau of Water Supply's Ben Nesin Laboratory. Per notations accompanying the photograph, a Perkin-Elmer…

General view of a Perkin-Elmer Atomic Absorption Spectrophotometer in use at a Calgon Water Management laboratory facility. Per notations accompanying the photograph, the spectrophotometer is equipped with a…

General view of employee Jack Guillaumin (right) and an unidentified chemist reviewing the results of an analysis conducted by a Perkin-Elmer Model 306 Atomic Absorption Spectrophotometer in a laboratory at the Detroit…

General view of an unidentified chemist operating a Perkin-Elmer gas chromatograph in an Environmental Protection Agency (EPA) Region II laboratory located in Edison, New Jersey. Per notations accompanying the…

General view of a Perkin-Elmer Grating Infrared Spectrophotometer in use at a Calgon Water Management laboratory facility. Per notations accompanying the photograph, the spectrophotometer is being used to characterize…

General view of a Perkin-Elmer Model 337 Grating Infrared Spectrophotometer in use at a Calgon Water Management laboratory facility. The female technician visible in the photograph is unidentified.

General view of an unidentified employee operating a Perkin-Elmer Atomic Absorption Spectrophotometer with a heated graphite atomizer (HGA) attachment in use at a Calgon Water Management laboratory facility. Per…

General view of an unidentified female employee pouring a water sample into the tray of a Perkin-Elmer Autosampler at an Environmental Protection Agency (EPA) laboratory facility located in Edison, New Jersey. Per…

General view of Wilson Walker, Chief Chemist at the Ohio Department of Health's Sanitary Chemistry Laboratory, injecting a sample of drinking water into the cylinder of a Perkin-Elmer Heated Graphite Atomizer (HGA). Per…