Handy Book of MeteorologyW. Blackwood and Sons, 1868 - 371 sider |
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Side 4
... quantity of moisture in the atmosphere , would appear to have sug- gested the idea of the hygrometer , an instrument of great value in meteorology , as indicating the quantity of vapour in the air , and , inferentially , the changes of ...
... quantity of moisture in the atmosphere , would appear to have sug- gested the idea of the hygrometer , an instrument of great value in meteorology , as indicating the quantity of vapour in the air , and , inferentially , the changes of ...
Side 23
... quantity of mercury displaced is equivalent to the increase of pressure . The extent of range which this instru- ment possesses above the ordinary barometer is determined by the ratio of the internal area of the tube , A , to the ...
... quantity of mercury displaced is equivalent to the increase of pressure . The extent of range which this instru- ment possesses above the ordinary barometer is determined by the ratio of the internal area of the tube , A , to the ...
Side 25
... quantity of air is left in the top of the tube , the column of spirits of wine rises or falls with the pressure of the air . To insure uniformity in its working , it requires to be kept as near as possible at the same temperature . It ...
... quantity of air is left in the top of the tube , the column of spirits of wine rises or falls with the pressure of the air . To insure uniformity in its working , it requires to be kept as near as possible at the same temperature . It ...
Side 35
... quantity of vapour in the atmosphere is least . 68. Thus , taking both causes into consideration , the maxi- mum in the forenoon is brought about by the rapid evapora- tion arising from the dryness of the air and the OF THE ATMOSPHERE . 35.
... quantity of vapour in the atmosphere is least . 68. Thus , taking both causes into consideration , the maxi- mum in the forenoon is brought about by the rapid evapora- tion arising from the dryness of the air and the OF THE ATMOSPHERE . 35.
Side 41
... quantities of latent heat , still further augments and accele- rates the outflow . 80. The variations in mean pressure are very slight , and not marked by any very decided regularity in their march through the seasons , at Dublin ...
... quantities of latent heat , still further augments and accele- rates the outflow . 80. The variations in mean pressure are very slight , and not marked by any very decided regularity in their march through the seasons , at Dublin ...
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America antisolar point ascending Asia Atlantic atmospheric pressure average barometer blow Britain calm causes centre charts cirrus cirrus cloud cistern climate cloud coast cold colder column condensed continent Crown 8vo daily dew-point diminished direction dry air earth earth's surface east Edition electricity equator equatorial current Europe evaporation falls Fcap feet flow globe greater heat height hemisphere Hence high pressure higher hour humidity hygrometer Iceland inch of mercury inches increase Indian Ocean isobarometric lines January John Herschel July latitudes low pressure lower Mauritius maximum mean temperature mercury Meteorological meter miles minimum moisture monsoon months northern northern hemisphere Norway observations occur ocean Orkney perature Plate polar current polarisation prevail Professor rain rainfall regions rises round Scotland season snow soil south-west St Petersburg storms summer temperature terrestrial radiation thermometers tion tropics tube upper currents vols weather wind winter Yakutsk
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