Im Labor des US-Departments. des landwirtschaftlichen Versuchsbauernhofes. Prince Georges County, Beltsville, Maryland.
Zusammenfassung
Public domain photograph of laboratory, scientist, free to use, no copyright restrictions image - Picryl description
Tags
Datum
01/08/1935 - 31/08/1935
Quelle
New York Public Library
Copyright-info
Creative Commons CC0 1.0 Universal Public Domain Dedication ("CCO 1.0 Dedication")