CONTENTS TO VOL, III.

' Tract xxxiv. continued - - - . _ _ i

xxxv. On a new Gunpowder Eprouvette. 153 ■

xxxvi.. D etermination of the Air’s Resistance toBodies in motion, as determined by the Whirl-ing Machine. - - - - - -163

xxxvii. On the Theory and Practice of Gun-nery, as dependent on the Resistance of theAir. - - - - - - - 209

xxxviii. Solution of a Miscellaneous Collectionof practical Questions, illustrating several ofthe preceding Principles. - - - 316