1. Experiments and observations on the mineral waters of Philadelphia, Abington, and Bristol, in the province of Pennsylvania: read June 18, 1773, before the American Philosophical Society, held at Philadelphia Author(s): Rush, Benjamin, 1746-1813 Publication: Philadelphia : Printed by James Humphreys, Junior, in Front-Street, MDCCLXXIII [1773] Subject(s): Mineral Waters -- analysisBalneologyPennsylvania