"Air pressure" Quotes from Famous Books
... thinks, to get good results by using, instead of the Crookes tube, a large sphere of aluminium, which is more transparent to the new rays than glass and possesses considerable strength. It is a delicate question, however, whether the increased thickness of metal necessary to resist the air pressure upon a vacuum would not offset the advantage gained from the greater size. Moreover, it is a matter for experiment still to determine, what kind of an electric current would be necessary to excite such a larger ... — McClure's Magazine, Vol. 6, No. 5, April, 1896 • Various
... steel or iron with which the fuel-oil comes in contact until it is sufficiently hot to turn the oil to gas, after which the burner works automatically. A hand air-pump or one automatically operated by the engine maintains sufficient air pressure in the fuel-tank to ... — Stories of Inventors - The Adventures Of Inventors And Engineers • Russell Doubleday
... Climate: planetary air pressure systems and resultant wind patterns exhibit remarkable uniformity in the south and east; trade winds and westerly winds are well-developed patterns, modified by seasonal fluctuations; tropical cyclones (hurricanes) may form south of Mexico from June to October and affect Mexico and ... — The 2002 CIA World Factbook • US Government
... manufactured his hair-tonic in the haunted mansion. It was necessary to heat it in a sort of furnace, and this made the groaning sound you heard, it was caused by air pressure. Sometimes it groaned and again it shrieked as the hot air ... — The Outdoor Girls in a Motor Car - The Haunted Mansion of Shadow Valley • Laura Lee Hope
... bell, immersed in a tank of water, with telephone receivers attached by which one could "listen in," for example, before rising, say, from sixty feet to twenty feet, and thus "hear" the hulls of other ships. The bell was struck by means of air pressure, and was the same as that used for submarine signalling on ships. Water, being dense, is an excellent conductor of sound. Even in the submarine itself, I could hear the muffled clang ... — The Dream Doctor • Arthur B. Reeve |