Cosmetics tested at Department of Agriculture. Washington D.C., July 10. In hair dyes and hair tonics there is sometimes found lead acetate, this is absorbed slowly into the system where it accumulates and may result in chronic poisoning. D.H. McCarter, of the Department of Agriculture is shown determining the amount of alcohol in a hair tonic by the method of distillation...
Summary
Public domain photograph of laboratory, scientist, free to use, no copyright restrictions image - Picryl description
Tags
Date
1900 - 1940
Contributors
Harris & Ewing, photographer
Location
Washington, District of Columbia, United States, 38.90719, -77.03687
Source
Library of Congress
Copyright info
No known restrictions on publication.