Newton's copy of the Philosophiae Naturalis Principia Mathematica
The Philosophiæ Naturalis Principia Mathematica (Mathematical Principles of Natural Philosophy) was a trilogy, written by Isaac Newton and published on 5 July 1687.
What they were about [change]
This three-book text was a series of books describing the physics and mathematics. It also stated many of Newton's laws of motion and observations on gravity.