Mary Engle Pennington (1872-1952)
| Uploaded by | Smithsonian Institution |
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| Views | 23,518 |
| 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 |
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