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Posts related to the Conservation Department
APS Library
Conservation
From Moldy to Marvelous: Petrus Ramus’s Via Regia ad Geometriam, Part 2
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From Moldy to Marvelous: Petrus Ramus’s Via Regia ad Geometriam, Part 1
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Herbert Friedman, Astrophysicist
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Blair’s Chronology: Rebinding a Timeline
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Major Discovery of Rare Declaration of Independence at the American Philosophical Society
American Philosophical Society
June 23, 2021
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Blair’s Chronology: Sewing Up a Timeline
Renée Wolcott
April 29, 2021
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