OF SIR ISAAC NEWTON, CONTAINING AN ACCOUNT OF HIS NUMEROUS INVENTIONS AND DISCOVERIES; AND A BRIEF SKETCH OF THE HISTORY OF ASTRONOMY PREVIOUS TO HIS TIME. COMPILED FROM AUTHENTIC DOCUMENTS. BY GEORGE GRANT. AUTHOR OF "SIR WILLIAM WALLACE" "ROBERT BRUCE," "SIR DUBLIN: PUBLISHED BY JAMES M'GLASHAN, 21, D'OLIER STREET. MDCCCXLIX. P |