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Philosophical experiments: containing useful, and necessary instructions for such as undertake long voyages at sea. Shewing how sea-water may be made fresh and wholsome: and how fresh-water may be preserv’d sweet. How Biscuit, Corn, &c. may be secured from the Weevel, Meggots, and other Insects. And Flesh preserv’d in hot Climates, by Salting Animals whole. To which is added, An Account of several Experiments and Observations on Chalybeate or Steel-Waters: With some Attempts to convey them to distant Places, preserving their Virtue to a greater Degree than has hitherto been done. Likewise a Proposal for cleansing away Mud, &c. out of Rivers, Harbours, and Reservoirs. Which were read before the Royal-Society

London: W. Innys and R. Manby, 1739. 8vo. [4], xxx, [2], 163, [1], [6], [2]pp. Engraved plate.

Contemporary mottled calf, spine with raised bands, morocco lettering piece

Provenance: Earl of Breadalbane (armorial bookplate)

First edition of Hales's account of his experiments to improve the health and welfare of sailors.

Included are his efforts at desalination, ventilation and the better preserving of food.

ESTC T42264; NLM/Blake p.192; Wellcome III, p.194.

Item #38702

Price: $1,750.00

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