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2 P.M. Workers on gloves, crowded into a small kitchen (photograph ver...
Public domain photograph of laboratory, scientist, free to use, no copyright restrictions image - Picryl description
2 P.M. Workers on gloves, crowded into a small kitchen (photograph ver...
Title from NCLC caption card. Attribution to Hine based on provenance. In album: Tenement homework. Hine no. 2779-A. Credit line: National Child Labor Committee collection, Library of Congress, Prints and Photo... More