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Medicina Hydrostatica: or Hydrostatics,applied - BOYLE, Robert - 1690. 
London. Printed forSamuel Smith at the Sign of the Princes Arms,. 1690.. 1st Edition. 12mo. 16.5cm,the first edition, [xix,errata],217,[vii]p., [inc. 6p. table], plus,12 (of14)p. ("Catalogue of the Phisophical Books. RobertBoyle. 1690"., (includes printed title page for the catalogue ofbooks), engraved frontis (weights and measure equipment with key),rebound full dark brown calf, blind ruled raised bands, blindstamped double borders in the panels, double crushed crimsonmorocco labels, fine copy thus. (cgc) The first tract in English onthe determination of specific gravity, written by Boyle the yearbefore his death. The principle of weighing bodies in the air andin water was known to Archimedes or probably earlier, but it wasRobert Boyle who first directed the attention of hydrologists andchemists to the importance of specific gravity. This copy lacks thehalf-title, "Experiment and Observations relating to the MateriaMedica, Tome I". Leaf at A2, which should follow the title may havebeen removed as volume 2 was never written. The publisher's"Catalogue" at the end, not found in most copies, lacks the lastleaf, pp13-14. .
[Bookseller: Patrick McGahern Books, Inc. (ABAC)]
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