One of the first pages of the Principia, from a copy held by the Cambridge University Library. It reads: PHILOSOPHIAE NATURALIS PRINCIPIA MATHEMATICA Autore I. S. NEWTON, Trim. Coll. Cantab. Soc. Matheseos Professore Lacasiano, & Societatis Regalis Sodali. IMPRIMATUR S. PEPYS, Reg. Sec. PRAESES. Julii 5. 1686. LONDINI Jussu Societatis Regie ac Typis Joseph Streater. Proltat a plures Bibliopolas. Anno MDCLXXXVII
https://files.mastodon.social/media_attachments/files/110/663/120/004/291/757/original/7b4fb95619bc1108.jpeg