Trinity College Notebook by Isaac Newton
Part of the Newton Papers Collection.

This is a notebook Newton acquired while he was an undergraduate at Trinity College and used from about 1661 to 1665 (see his inscription). It includes many notes from his studies and, increasingly, his own explorations into mathematics, physics and metaphysics. It was judged 'Not fit to be printed' by Newton's executor and was presented to the Library by the fifth Earl of Portsmouth in 1872.

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