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Side 6
While in all these departments he contributed largely to our knowledge , his
attention was most successfully turned to the investigation of the hygrometry of
the atmosphere . Though the practical advantages he anticipated as likely to flow
from ...
While in all these departments he contributed largely to our knowledge , his
attention was most successfully turned to the investigation of the hygrometry of
the atmosphere . Though the practical advantages he anticipated as likely to flow
from ...
Side 7
practical advantages he anticipated as likely to flow from it have not been
realised , yet this difficult , and , in some points , still obscure department of
meteorology , is indebted to him more than to any other philosopher . The law of
the diffusion ...
practical advantages he anticipated as likely to flow from it have not been
realised , yet this difficult , and , in some points , still obscure department of
meteorology , is indebted to him more than to any other philosopher . The law of
the diffusion ...
Side 17
Now suppose the barometer falls from 30 inches to 29 inches , an inch of mercury
must flow out of the tube , and pass into the cisteri , thus raising the level of the
cistern ; if , on the other hand , it rises from 29 inches to 30 inches , mercury must
...
Now suppose the barometer falls from 30 inches to 29 inches , an inch of mercury
must flow out of the tube , and pass into the cisteri , thus raising the level of the
cistern ; if , on the other hand , it rises from 29 inches to 30 inches , mercury must
...
Side 21
On hanging up the barometer , care must be taken to lower the mercury in the
tube by turning the screw , P , before unfastening the float , F ; for if this be not
attended to , the pressure applied by the screw , P , will cause the mercury to flow
out ...
On hanging up the barometer , care must be taken to lower the mercury in the
tube by turning the screw , P , before unfastening the float , F ; for if this be not
attended to , the pressure applied by the screw , P , will cause the mercury to flow
out ...
Side 34
As the hemisphere under the 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
...
As the hemisphere under the 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
...
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advancing America amount appear Asia Atlantic atmosphere atmospheric pressure average barometer becomes blow Britain calm causes centre changes charts climate cloud coast cold column compared consequently continued countries course daily diminished direction earth east Edition effect electricity Europe evaporation examined falls feet flow force frequently give given greater greatest heat height Hence higher hour Illustrations important inches increase indicate influence January July land least less light lines lower maximum mean mean temperature mercury Meteorological miles months nearly night northern observations occur ocean passed period Plate position pressure prevail Professor quantity radiation rain rainfall regarded regions rises round scale Scotland season seen side soil storms summer surface Table temperature thermometers tion tube upper vapour vols weather whole wind winter
Populære avsnitt
Side 184 - That rises upward always higher, And onward drags a labouring breast, And topples round the dreary west, A looming bastion fringed with fire.