Irwin, J. (1787). A treatise on gunnery: In theory and practice; or the doctrine of projectiles, demonstrated on simple geometrical principles. To which is subjoined an appendix, containing some useful remarks, &c. on surveying. By James Irwin, of Limerick, mathematician. printed by A. Watson.

Irwin, James. A Treatise on Gunnery: In Theory and Practice; or the Doctrine of Projectiles, Demonstrated on Simple Geometrical Principles. To Which Is Subjoined an Appendix, Containing Some Useful Remarks, &c. on Surveying. By James Irwin, of Limerick, Mathematician. printed by A. Watson, 1787.