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Tracts consisting of observations about the saltness of the sea: an account of a statical hygroscope and its uses: together with an appendix about the force of the air's moisture: a fragment about the natural and preternatural state of bodies
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Certain physiological essays : and other tracts; written at distant times, and on several occasions. By the honourable Robert Boyle. The second edition. Wherein some of the tracts are enlarged by experiments, and the work is increased by the addition of a discourse about the absolute rest in bodies
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335571