The Aneroid Barometer: Its Construction and UseD. Van Nostrand, 1878 - 106 páginas |
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Términos y frases comunes
Airy's altitude altitude scale amount of vapor ANALYSIS Antarctic Ocean atmospheric pressure Barnaul baro Barometer Heights Barometer Readings Brevet BRIDGES C. E. Illustrated Civil Engineer cloth clouds constructed contouring correction cubic foot dial difference dry air elevation engravings error formula GEORGE W globe Guyot's H₁ HAND-BOOK heat heights in feet hemisphere HYPSOMETRY Inches increase indicates wind instrument IRON JOYNSON latitude lithographed plates logarithms lower station lustrated mean pressure measuring MECHANICS mercurial barometer mercury column Messrs METALS meter METHOD morocco movable scale NOSTRAND'S PUBLICATIONS NOSTRAND'S SCIENCE SERIES numerous observations perature PLYMPTON portable Prac PRACTICAL TREATISE PRESCOTT Prof rainfall revised and enlarged Reykjavik scale of feet Siberia Spitzbergen STEAM STEAM-ENGINE steel summer SURVEYING tained tical tion Translated U. S. Engineers U. S. Navy unit of surface upper station VAN NOSTRAND'S PUBLICATIONS variations varies W. H. CORFIELD weather Williamson wind and rain winter wood-cut illustrations Zerah Colburn
Pasajes populares
Página 70 - ... wind. Misty clouds forming, or hanging on heights, show wind and rain coming — if they remain, increase, or descend. If they rise or disperse, the weather will improve or become fine.
Página 66 - A rapid rise Indicates unsettled weather. A gradual rise indicates settled weather. A rise with dry air and cold increasing- in summer indicates wind from the northward; and if rain has fallen, better weather may be expected. A rise with moist air and a low temperature indicates wind and rain from the northward.