Handy Book of MeteorologyW. Blackwood and Sons, 1868 - 371 páginas |
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Página ix
... column of the observations reduced to sea- level may be added ; but in such cases the reduction to 32 ° only should also be given . If these simple direc- tions were observed , much labour and annoyance would be saved , and the value of ...
... column of the observations reduced to sea- level may be added ; but in such cases the reduction to 32 ° only should also be given . If these simple direc- tions were observed , much labour and annoyance would be saved , and the value of ...
Página 3
... column , what was passing in the more elevated regions of the atmosphere , largely extended our knowledge of this element . It should be further remarked that the value of the barometer as an indicator of the weather gave an addi ...
... column , what was passing in the more elevated regions of the atmosphere , largely extended our knowledge of this element . It should be further remarked that the value of the barometer as an indicator of the weather gave an addi ...
Página 15
... column of mercury supported by the pressure of the atmosphere . From this height the weight of the atmosphere is ascertained . The fundamental principle of the barometer cannot be better illustrated than by Torricelli's experiment ...
... column of mercury supported by the pressure of the atmosphere . From this height the weight of the atmosphere is ascertained . The fundamental principle of the barometer cannot be better illustrated than by Torricelli's experiment ...
Página 16
... columns proportionally longer . Thus , if water , which is nearly 14 times lighter than mercury , be used , the barometric column is about 35 feet long . The advantage Water Barometers might be supposed to possess in showing changes of ...
... columns proportionally longer . Thus , if water , which is nearly 14 times lighter than mercury , be used , the barometric column is about 35 feet long . The advantage Water Barometers might be supposed to possess in showing changes of ...
Página 17
... column , the amount of the depression depending on the internal diameter of the glass tube . Thus , if the diameter of the tube be half an inch , the error arising from capillarity is only .003 inch ; if the diameter be inch , the error ...
... column , the amount of the depression depending on the internal diameter of the glass tube . Thus , if the diameter of the tube be half an inch , the error arising from capillarity is only .003 inch ; if the diameter be inch , the error ...
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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 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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