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![[Man holding photo of 2 children]](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE5MDAvMDEvMDEvbWFuLWhvbGRpbmctcGhvdG8tb2YtMi1jaGlsZHJlbi02NDAuanBn/40/54/webp "[Man holding photo of 2 children]")
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Prof. L.H. Wilder is assisting in the campaign against disease being waged by the US Public Health Service, by painting greatly enlarged pictures of germ carrying insects. Models to obtain perfect picture
Summary
Public domain historical photo, free to use, no copyright restrictions image - Picryl description
Tags
Date
01/01/1924
Contributors
Harris & Ewing, photographer
Location
Source
Library of Congress
Copyright info
No known restrictions on publication.
