Public Domain Mark
You can use this work for any purpose without restriction under copyright law. Read more about this licence.
Credit
Philosophiae naturalis principia mathematica / Auctore Isaaco Newtono, eq. aurato; Perpetuis commentariis illustrata, communi studio PP. Thomae Le Seur et Francisci Jacquier, ex gallicana Minimorum familia, matheseos professorum. Public Domain Mark. Source: Wellcome Collection.