Handy Book of MeteorologyW. Blackwood and Sons, 1868 - 371 sider |
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Side 19
... line only when the surface in the cistern is at the neutral point from which the scale , G , of the instrument has been graduated . Hence , then , with every observation , the screw , P , must be turned either way till these lines lie ...
... line only when the surface in the cistern is at the neutral point from which the scale , G , of the instrument has been graduated . Hence , then , with every observation , the screw , P , must be turned either way till these lines lie ...
Side 21
... line , it slant a little , it may read a tenth or more above what it ought to read . Hence , to obviate this risk of error , it is always preferable that barometers swing in position . 39. The Siphon Barometer , fig . 6 , is made of a ...
... line , it slant a little , it may read a tenth or more above what it ought to read . Hence , to obviate this risk of error , it is always preferable that barometers swing in position . 39. The Siphon Barometer , fig . 6 , is made of a ...
Side 26
... line , we observe this to take place at the figure 6 of the vernier ; this gives the last figure- 6 hundredths , or 0.06 inch . And placing all these figures in one line , we find that the height of the barometer is 29.76 inches . This ...
... line , we observe this to take place at the figure 6 of the vernier ; this gives the last figure- 6 hundredths , or 0.06 inch . And placing all these figures in one line , we find that the height of the barometer is 29.76 inches . This ...
Side 28
... lines . As a half - line equals half an English decimal line , or the twentieth part of an English inch , the ... lines with English inches . In the Old French barometer , Paris lines are frequently written in Paris inches , 12 lines ...
... lines . As a half - line equals half an English decimal line , or the twentieth part of an English inch , the ... lines with English inches . In the Old French barometer , Paris lines are frequently written in Paris inches , 12 lines ...
Side 43
... lines for the months have been laid down . These lines may be justly regarded as furnishing the key to all questions of meteorologi- cal inquiry . Some of the more important facts have been long known , in a general way - such as , the ...
... lines for the months have been laid down . These lines may be justly regarded as furnishing the key to all questions of meteorologi- cal inquiry . Some of the more important facts have been long known , in a general way - such as , the ...
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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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