The PRINCIPLES Of MECHANICS. Explaining and Demonstrating The General Laws of Motion, the Laws of Gravity, Motion of Descending Bodies, Projectiles, Mechanic Powers, Pendulums, Centers of Gravity, &c. Strength and Stress of Timber, Hydrostatics, and Construction of Machines. A Work Very Necessary to be Known, by All Gentlemen, and Others, that Desire to Have an Insight into the Works of Nature and Art. And Extremely Useful to All Sorts of Artificers; Particularly to Architects, Engineers, Shipwrights, Millwrights, Watchmakers, &c. or Any that Work in a Mechanical Way.
London: Printed for G. Robinson, 1773. The 3rd edition, Corrected. x, , 284,  pp. Eratta penulitmate page; last page blank. Untrimmed. Many gatherings unopened. 43 fold-out copperplate engravings of divers geometric forms, mechanical devices, &c. 4to: A4 a2 B - 2O4. 10-1/2" x 7-3/4". Later tan calf spine over drab paper boards. General binding wear. Lacks ffep. Some unobtrusive worming to lower margin of first few gatherings [ends with H3]. Occasional foxing. A VG copy. Item #30549