London:: J. Nourse, 1777., 1777. 8vo. viii, , 404,  pp. 11 folding plates. Original gilt-stamped calf, gilt-stamped leather spine label, raised bands; front joint reinforced with kozo, corners showing. Else very good. Fifth edition. The author discusses the practical applications to attraction, repulsion & central forces, composition and resolution of motion, collision of elastic bodies, centre of gravity, balance & lever, pulley, compound engines, friction, motion of bodies down inclined planes, motion of projects, and hydrostatics. Helsham was an Irish physician and natural philosopher at Trinity College, and a friend of Jonathan Swift.
(Inventory #: SW1120)
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