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• Mary Engle Pennington (1872-1952)

  • Uploaded by: Smithsonian Institution
  • License: No known copyright restrictions
  • 1 comment
  • 15 favorites
  • 23,518 views
  • Date taken: 2011-10-12 08:46:45
  • Date uploaded: 2013-03-18
  • Tags: smithsonianinstitution, smithsonianinstitutionarchives, womenshistorymonth2013, woman, scientist, chemistry, 1940, forties, refrigeration, asda, eyeglasses
  • Visibility: public