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[Dr. Charles Armstrong, U.S. Public Health, file]

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[Dr. Charles Armstrong, U.S. Public Health, file]

description

Summary

Public domain photograph of laboratory, scientist, free to use, no copyright restrictions image - Picryl description

date_range

Date

01/01/1936
person

Contributors

Harris & Ewing, photographer
place

Location

create

Source

Library of Congress
copyright

Copyright info

No known restrictions on publication.

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