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Frost and fire - natural engines, tool-marks and chips - with sketches taken at home and abroad by a traveller (1864) (14779489244)


Frost and fire - natural engines, tool-marks and chips - with sketches taken at home and abroad by a traveller (1864) (14779489244)



Identifier: frostfirenatural04camp (find matches)
Title: (Frost and fire : natural engines, tool-marks and chips : with sketches taken at home and abroad by a traveller)
Year: 1864 (1860s)
Authors: Campbell, J. F. (John Francis), 1822-1885
Subjects: Glaciers Meteorology Geology
Publisher: (Edinburgh : s.n.
Contributing Library: National Library of Scotland
Digitizing Sponsor: National Library of Scotland

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Text Appearing Before Image:
e clouds between them intomackerel sky. All these forms do Ijut indicate movements wliich resultfrom the action of two forces ; one radiating from a centre, theother converging towards it, and the science of meteorology-is foimded upon these two forces and on their action, abovethe earths surface, in the air. Air is constantly moving up, and do-WTi, and sideways,above water and solid ground jVIeteorology attempts to ex-plain the movements, and the moving forces are heat andweight. The main facts were known to men when the first chapterof Ecclesiastes was written, as Mamy points out in hisWTitings. 5. The Sim also ariseth, and the sun goeth down, andhasteth to his place where he arose. 6. The wind goeth toward the south, and turncth aboutunto the north : it whirleth about continually; and the windretm-neth again according to his circuits. 7. All the rivers run into the sea ; yet the sea is not full :D 34 METEOROLOGY. unto the place from whence the rivers come, thither theyreturn acain.
Text Appearing After Image:
ffiS^ Pig. 11. Diagram of Draughts in a Room. Section of a large roorn, shewing the positions and mean amount of deflection of silkvanes ; temperature shewn by thermometers; force of upward current at the mantlepiecein grains per square foot; moving fumes; balloon; radiation from fire ; and the directionin which air circulated under these conditions. From the Report on Wanning and Ventilation of Dwellings, 320, Sess. 2,1807. CHAPTEE VII. A CAUSE is found by working up stream—by creeping alongany one spoke of a wheel towards the centre. The effects ofa kno^\ai cause are got at by working the other way. Startingfrom cloud forms, heat is reached. If heat be a mechanicalpower which moves the atmosphere, forms like clouds shouldbe found at the outer end of shorter spokes in the same wheel. If a priaciple be established, many phenomena can betraced to it. In meteorology, as in all sciences, a result isreached by observation of facts, but experiment is the finaltest of theoiy, however form

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frost and fire 1864
frost and fire 1864