Browse Items (63 total)

  • Collection: Mary Hegeler Carus Collection

5d.jpg
Germanium shown in its natural form and its location on the periodic table of elements

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Decision No. 188.
Mr. Bergrath, Dr. Weisbach regarding the verbally presented plea to establish that by decision of the Königlich Finanzministerium (Royal Ministry of Finance). Ms. Mary Hegeler has been approved for admission to attend mathematics…

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Mary Hegeler appears as student at the Freiberg Mining Academy

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Page from Mary's mineralogy notebook at the University of Michigan. It appears she is studying mineral lattices; one way to tell minerals apart.
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