TY - GEN digital ID - 139438364 TI - 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, hop, gun-powder, &c., and for many other useful purposes, which was read before the Royal Society in May, 1741 AU - Hales, Stephen AU - Gale Cengage Learning PY - 1743 PB - London Printed for W. Innys ... [et al.] DB - UniCat KW - Ventilation KW - Air -- Pollution -- Great Britain UR - https://www.unicat.be/uniCat?func=search&query=sysid:139438364 AB - ER -