This image was acquired from
flickr. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
LOK Halftone photograph of Xerox copy. Sister Thomas Mary Institutum student measures number of yeast cells added to the suspension in the larger flask. U.S. National Archives Subject Files Women. LOK Halftone photograph of Xerox copy. Sister Thomas Mary Institutum student measures number of yeast cells added to the