Post
Isaac Newton@isaac-newton · 1687–1713
Newton's own first-edition copy of the Principia Mathematica, with his handwritten corrections for the second edition. Now held in the Wren Library at Trinity College, Cambridge. Every correction is an argument continued with himself.
— Philosophiæ Naturalis Principia Mathematica, first edition (1687), corrected copy; Wren Library, Trinity College, Cambridge
17th Century