2 photos

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• Elizabeth Lee Hazen (1888-1975) and Rachel Brown (1898-1980)

  • Uploaded by: Smithsonian Institution
  • License: No known copyright restrictions
  • 7 comments
  • 51 favorites
  • 43,086 views
  • Date taken: 2011-01-25 16:30:38
  • Date uploaded: 2011-03-03
  • Tags: smithsonianinstitution, women, scientists, microscope, flask, tubes, laboratory, two, older, chemistry, microbiology, biology, newyork, chemotherapy, 1955, antifungal, smithsonianinstitutionarchives, womenshistorymonth, womeninscience, 2011, 20thcenturymid, govenrment
  • Visibility: public
• Railway Post Office Clerks at Work

  • Uploaded by: Smithsonian Institution
  • License: No known copyright restrictions
  • 1 comment
  • 15 favorites
  • 18,937 views
  • Date taken: 2008-05-14 17:27:09
  • Date uploaded: 2008-06-04
  • Tags: smithsonianinstitution, railwaypostoffice, usps, railroad, clerk, train, mailsorting, workers, tubes, bins, sorting, factoryworkers, factoty, lights, postalworker, postman, delivery, nationalpostalmuseum, mailacrossthecommons
  • Visibility: public