Handy Book of MeteorologyW. Blackwood and Sons, 1868 - 371 páginas |
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Página 15
... inches in length , open at one end ; fill it with mercury , and , closing the open end with the finger , invert it , and plunge the open end into a bowl ( c ) also containing mercury . The column will fall in the tube to about 30 inches ...
... inches in length , open at one end ; fill it with mercury , and , closing the open end with the finger , invert it , and plunge the open end into a bowl ( c ) also containing mercury . The column will fall in the tube to about 30 inches ...
Página 16
Alexander Buchan. would be 10,784 times 30 inches , or nearly five miles , if it were composed of layers equally ... inch , and if it be raised to 75 ° it is depressed a foot . In mercurial barometers the space in the top of the tube is ...
Alexander Buchan. would be 10,784 times 30 inches , or nearly five miles , if it were composed of layers equally ... inch , and if it be raised to 75 ° it is depressed a foot . In mercurial barometers the space in the top of the tube is ...
Página 17
... inches to 29 inches , an inch of mercury must flow out of the tube , and pass into the cistern , thus raising the level of the cistern ; if , on the other hand , it rises from 29 inches to 30 inches , mercury must flow back from the ...
... inches to 29 inches , an inch of mercury must flow out of the tube , and pass into the cistern , thus raising the level of the cistern ; if , on the other hand , it rises from 29 inches to 30 inches , mercury must flow back from the ...
Página 19
... inches of the scale not true inches , but just so much less as exactly counter- balances the error of capacity . The diameter Fig . 4 . Fig . 5 . of the glass tube is generally OF THE ATMOSPHERE . 19.
... inches of the scale not true inches , but just so much less as exactly counter- balances the error of capacity . The diameter Fig . 4 . Fig . 5 . of the glass tube is generally OF THE ATMOSPHERE . 19.
Página 23
... inches above the fixed level of the mercury in the cistern . This stalk terminates a little below the upper level of the mercury , a , and its upper end is therefore ex- posed to no more downward pressure than that of the mercury above ...
... inches above the fixed level of the mercury in the cistern . This stalk terminates a little below the upper level of the mercury , a , and its upper end is therefore ex- posed to no more downward pressure than that of the mercury above ...
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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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