Philosophiae naturalis principia.. by NEWTON, Sir Isaac - 1726

London: William & John Innys, 1726. Third edition, the basis for all subsequent editions. Title in red and black. With the Royal privilege leaf and integral blank. Engraved frontispiece portrait, engraved illustration on p. 506, woodcut diagrams within the text. Contemporary calf, scuffed, corners repaired, crack in spine. From the Trinity College Library in Dublin with its gilt arms on front cover and book label on the paste-down, and with the large bookplate showing the award of this book to William Andrews in 1742. A WONDERFUL COPY OF THE THIRD EDITION

NEWTON, Isaac
Philosophiae naturalis principia mathematica . . . editio tertia aucta & emendata. London: William & John Innys, 1726. 4to. With the Royal privilege leaf and integral blank. Engraved frontispiece portrait, engraved illustration. Contemporary calf. From the Trinity College Library in Dublin with its gilt arms on front cover and book label on the paste-down, and a large bookplate showing the award of this book to William Andrews in 1742.
Third edition, the last published during the author's lifetime and the basis of all subsequent editions. Edited by Henry Pemberton, it contains a new preface by Newton, the restoration of Halley's verses, and a large number of alterations, the most important being the scholium on fluxions, in which Leibniz's name is omitted. $ 24,500.00.