Of the art of great artillery, viz. The explanation of the most excellent and necessary definitions, and questions, pronounced and propounded, by that rare souldier and mathematician, Thomas Digges Esquire : and by him published, in his Stratiaticos, and Pantometria, concerning great ordinance, and his theorems thereupon. Together, vvith certaine expositions, and answers thereunto adioyned: written by Robert Norton gunner. And by him dedicated, to the worshipfull Iohn Reinolds Esquire, master gunner of England.