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AN
ACCOUNT
OF A
Useful DISCOVERY
TO
Distill double the usual Quantity of Sea-Water,by blowing Showers of Airup through the Distilling Liquor:
AND
An Account of the great Benefit of Ventilatorsin many Instances, in preserving the Health andLives of People, in Slave and other TransportShips, which were read before the Royal Society.
ALSO
An Account of the good Effect of blowing Showers ofAir up through Milk, thereby to cure the ill Tastewhich is occasioned by some Kinds of Food of Cows.
By STEPHEN HALES, D.D.F.R.S.
Member of the Royal Academy of Sciences at Paris,
AND
Clerk of the Closet to Her Royal Highness the
Princess of Wales.
The Second Edition.
With an APPENDIX;
In which is an Account of some farther considerable Improvementsmade in the Method of procuring Plenty of Fresh-Waterat Sea, viz. three Parts in four more than in thecommon Methods of Distilling: Also a farther Account ofmore Instances and Proofs of the good Effect of Ventilatorsin Ships: As also of the curing, in a few Minutes,the ill Taste of Turnip Milk, and of musty Liquors. Also,with great Ease, presently to make Cream or Milk Sillabubs,viz. by blowing Showers of Air up through them.
LONDON:
Printed for Richard Manby, in the Old-Bailey,
near Ludgate-Hill. M.DCC.LVI.
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AN
ACCOUNT
OF THE
Great Benefit of blowing Showersof Fresh Air up thro’ DistillingLiquors.
1. The great Importance of havinga sufficient Supply of freshWater in Ships, has been theOccasion of many laudable Attempts tomake Sea-water fresh and wholsome; butall the Attempts and Discoveries hithertomade, have laboured under this great andmaterial Objection, viz. the great Quantityof Fuel that was necessary to distill,with a slow Progress, a small Q