APS buildings are open to staff and invited guests. The Library is undergoing a renovation project that will make many collections inaccessible. It is expected to be completed in early 2022. 

Conservation

Posts related to the Conservation Department

Anne Downey
It is impossible for any sensitive person to look at a star-filled sky without being stirred by thoughts of creation and eternity. The mystery of...
Renée Wolcott
Once I had solved the problem of resewing John Blair’s Chronology and History of the World from Creation to the Year of Christ, 1788, which...
American Philosophical Society
Contact: 215-701-4427 communications@amphilsoc.org Philadelphia [June 23, 2021]— The Declaration of Independence is an iconic document, famous for the signers’ distinctive signatures and the bold heading...
Renée Wolcott
When last I mentioned Joseph Priestley’s copy of John Blair’s Chronology and History of the World from Creation to the Year of Christ, 1788, the...
Anisha Gupta
While iron gall ink was an incredibly popular ink from the 4th to the 20th centuries, it is now known to have damaging effects on...
Anisha Gupta
Sometimes a project arrives in the conservation lab as a mystery. It might be damaged, so in order for the cataloguers and librarians to safely...
Renée Wolcott
Joseph Priestley, a chemist who isolated oxygen and several other gases, was also a teacher. His focus on pedagogy led him to create some of...
Renée Wolcott
Willman Spawn Conservation Intern Joanna Hurd spent only two weeks at the American Philosophical Society before the novel coronavirus sent everyone home, but in that...