NLM Digital Collections

Mrs. Pearl Caldwell operates the MacBeth densitometer

Collection:
Images from the History of Medicine (IHM)
Author(s):
Bredland, Ralph.
Publication:
1969
Language(s):
English
Format:
Still image
Subject(s):
Microfilming
African Americans
National Library of Medicine (U.S.). Reference Services Division.
Copyright:
The National Library of Medicine believes this item to be in the public domain. (More information)
Extent:
1 photographic print : 21 x 26 cm.
Technique:
black and white
NLM Unique ID:
101445937 (See catalog record)
NLM Image ID:
A017339
Permanent Link:
http://resource.nlm.nih.gov/101445937