BY CHARLES HUTTON, LL.D. AND F.R.S. &c. Late Professor of Mathematics in the Royal Military Academy, Woolwich. PRINTED FOR F. C. AND J. RIVINGTON; G. WILKIE AND J. ROBINSON; J. WALKER ; CONTENTS TO VOL. III. xxxv. On a new Gunpowder Eprouvette. XXXVI. Determination of the Air's Resistance to |