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Leiden (Netherlands)

Subject Source: Local sources

Found in 2 Collections and/or Records:

Observata et Dicta ... cum Huygeno Junio 1693, 30 June 1693

Identifier: Coll-33/Quarto A [14]
Scope and Contents Remarks en passant about library volumes in history and physics seen in Leiden. A longer passage follows: notes to a conversation with Christiaan Huygens, critiquing Sir Isaac Newton's notions of absolute motion and the propagation of light. Huygens also says that John Flamsteed ought to declare for the absolute speed of light, and that this should persuade Jean Dominique Cassini.
Dates: 30 June 1693

Quo ad D.G. spectant in Pitcarnii Probl. de inventoribus, after August 1688

Identifier: Coll-33/Quarto A [42]
Scope and Contents Commentary on Archibald Pitcairne's Edinburgh edition of Solutio Problematis de Historicis; seu de Inventoribus Dissertatio, (1688) of which an enlarged edition appeared at Leiden in 1693. This tract made Pitcairne's subsequent medical career on the continent for its vindication of the claims of William Harvey to the discovery of the circulation of the blood. It contains other things as well, notably the first public presentation of Gregory's second method of...
Dates: after August 1688