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Sir Isaac Newton’s own annotated Principia Mathematica goes online

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Cambridge University is putting the papers of Sir Isaac Newton online for the first time, including his own annotated copy of his greatest work, Principia Mathematica, with notes and calculations in his handwriting revising the book and answering critics.

So far, more than 4,000 pages, about 20% of the university’s Newton archive, have been put into digital form as part of a programme that will eventually give the public access to the papers of other famous scientists, ranging from Darwin to Ernest Rutherford. Included in the papers are the handwritten notes made after Newton’s death, in 1727, by his colleague Thomas Pellet, who was asked by relatives of the great scientist to examine the papers with a view to publication. via The Guardian

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