"Hygrometer" Quotes from Famous Books
... December, 1803, at two o'clock, P.M., the thermometer standing at 79, hygrometer 17, barometer 29.880, sky partly clouded, wind west, light, the apothecary of the rue Royale, now something more than a month established in his calling, might have been seen standing behind his counter and beginning to show embarrassment in the ... — The Grandissimes • George Washington Cable
... Caldas, found that, at Santa Fe de Bogota, at an elevation of almost 8700 feet, it did not exceed 37 inches, being consequently little more than on some parts of the western shore of Europe. Boussingault occasionally observed at Quito that Saussure's hygrometer receded to 26 degrees with a temperature of from 53.6 degrees to 55.4 degrees. Gay-Lussac saw the same hygrometer standing at 25.3 degrees in his great aerostatic ascent in a stratum of air 7034 feet high, and with a temperature of 39.2 degrees. ... — COSMOS: A Sketch of the Physical Description of the Universe, Vol. 1 • Alexander von Humboldt
... aerial light, which comes from the limits of the atmosphere, has been originally more intense, or has undergone less loss in its passage. This consideration explains to a certain point, why, under a perfectly serene sky, the state of the thermometer and the hygrometer being precisely the same in the air nearest the earth, the peak is sometimes visible, and at other times invisible, to navigators at equal distances. It is even probable, that the chance of perceiving this volcano would not be greater, if the ashy cone, at the summit of which is the mouth ... — Equinoctial Regions of America • Alexander von Humboldt |