Mary Blade, standing at blackboard

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Date taken	2009-02-27 17:29:21
Date uploaded	2009-03-08
Tags	smithsonianinstitution, womensday, woman, standing, blackboard, chalkboard, chalk, graph, curve, mathematics, engineering, cooperunion, professor, 1946, smile, maryblade, jfjawnormasmediainsightworldjeanfarescouturedaringmankindheritage, pioneeringfemaleinengineering, femaleengineer, curvea, chart, teacher, rotation, class, school, blackboarf, smithsonianinstitutionarchives, womenshistorymonth, womeninscience, 2009, a2fp, academia, 20thcenturymid
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