Handy Book of MeteorologyWilliam Blackwood, 1868 - 371 páginas |
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Página 22
... round a horizontal axis , a small weight being suspended at its free extremity to keep it tight . The glass float rises and falls with the fluctuations of the barometer , and a pointer fixed to the horizontal axis being turned by this ...
... round a horizontal axis , a small weight being suspended at its free extremity to keep it tight . The glass float rises and falls with the fluctuations of the barometer , and a pointer fixed to the horizontal axis being turned by this ...
Página 34
... sun's rays becomes . heated , the air , expanding upwards and outwards , flows over upon the other hemisphere where the air is colder and denser . There thus revolves round the globe from day to day 34 THE WEIGHT OR PRESSURE.
... sun's rays becomes . heated , the air , expanding upwards and outwards , flows over upon the other hemisphere where the air is colder and denser . There thus revolves round the globe from day to day 34 THE WEIGHT OR PRESSURE.
Página 35
Alexander Buchan. There thus revolves round the globe from day to day a wave of heat , from the crest of which air is constantly flowing to- wards the meridian of greatest cold on the opposite side of the globe . 66. The barometer is ...
Alexander Buchan. There thus revolves round the globe from day to day a wave of heat , from the crest of which air is constantly flowing to- wards the meridian of greatest cold on the opposite side of the globe . 66. The barometer is ...
Página 43
... round the poles ; the low pressures in the North Pacific and North Atlantic ; and the low summer pressure of Central Asia . But so far as I am aware , no at- tempt has hitherto been made to state the facts numerically by means of ...
... round the poles ; the low pressures in the North Pacific and North Atlantic ; and the low summer pressure of Central Asia . But so far as I am aware , no at- tempt has hitherto been made to state the facts numerically by means of ...
Página 46
... Round the north pole , where , at this season , the sun never sets , the pressure is no doubt under the average . 92. In the Antarctic Ocean the pressure is abnormally low throughout the year , with perhaps a slight tendency to an ...
... Round the north pole , where , at this season , the sun never sets , the pressure is no doubt under the average . 92. In the Antarctic Ocean the pressure is abnormally low throughout the year , with perhaps a slight tendency to an ...
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Palavras e frases frequentes
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 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 St Petersburg storm summer temperature terrestrial radiation thermometers tion tropics tube upper currents vapour vols weather wind winter Yakutsk