New Principles of Gunnery. A new edition, edited by Charles Hutton. Old boards. Free endpapers removed. Some browning but a very good copy,; Containing the Determination of the Force of Gunpowder and an Investigation of the Difference in the Resisting Power of the Air to Swift and Slow Motions

Bookplate inside on paste-down of Levi Hollingsworth (1739-1824), who was one of the wealthiest and most powerful merchants in Philadelphia following the American Revolution; he was a resolute patriot throughout the Revolution, serving under George Washington as the first quartermaster of the Light Horse of the City of Philadelphia (The Historical Society of Pensylvania online). Bookplate of Raymond L.J. Riling. Raymond "Ray" Riling (1896-1974), who was a Philadelphia builder and arms collector, an important arms book collector, dealer, author and publisher from the 1940s into the 1970s (Academic Dictionary Online). Benjamin Robins (1707-1751), who is considered to be the "18th century founder of scientific ballistics" (Science Direct online), was an English engineer who wrote on Newton's mathematics and invented the ballistic pendulum. Written on page 153 is a rather long annotation commenting on "The Fallacy of 'The Field' Gun Trials," dated 1887.