Handy Book of MeteorologyWilliam Blackwood, 1868 - 371 sider |
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Side 16
... amount of the depression , even at the ordinary temperature of a sitting - room , could not be measured by the most finely graduated vernier . Since no fluid approaches mercury in this respect , it is universally used in constructing ...
... amount of the depression , even at the ordinary temperature of a sitting - room , could not be measured by the most finely graduated vernier . Since no fluid approaches mercury in this respect , it is universally used in constructing ...
Side 17
... 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 is .012 inch ...
... 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 is .012 inch ...
Side 21
... amount of the deviation from the perpendicular . Thus if , instead of hanging in a perpendicular 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 ...
... amount of the deviation from the perpendicular . Thus if , instead of hanging in a perpendicular 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 ...
Side 22
... amount of the variation in the lower limb . The lengthening and shortening of the thread with the dampness or dryness of the air , and the friction of the different parts , are causes of large and uncertain errors in this form of the ...
... amount of the variation in the lower limb . The lengthening and shortening of the thread with the dampness or dryness of the air , and the friction of the different parts , are causes of large and uncertain errors in this form of the ...
Side 29
... amount of this correction is determined by the height of the place above the sea ; the atmospheric pres- sure and temperature at the time ; and the distance from the centre of gravity of the earth , which is known from the lati- tude ...
... amount of this correction is determined by the height of the place above the sea ; the atmospheric pres- sure and temperature at the time ; and the distance from the centre of gravity of the earth , which is known from the lati- tude ...
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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 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
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