A description of ventilators: whereby great quantities of fresh air may with ease be conveyed into mines, goals, hospitals, work-houses and ships, in exchange for their noxious air. An account also of their great usefulness in many other respects: as in preserving all sorts of grain dry, sweet, and free from being destroyed by weevels, both in grainaries and ships: and in preserving many other sorts of goods. As also in drying corn, malt, hops, gun-powder, &c., and for many other useful purposes. Which was read before the Royal society in May, 1741 ..
Hales, Stephen, 1677-1761; Pre-1801 Imprint Collection (Library of Congress) DLC