Handy Book of Meteorology |
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Side
A column of the observations reduced to sealevel may be added ; but in such
cases the reduction to 32° only should also be given . If these simple directions
were observed , much labour and annoyance would be saved , and the value of
the ...
A column of the observations reduced to sealevel may be added ; but in such
cases the reduction to 32° only should also be given . If these simple directions
were observed , much labour and annoyance would be saved , and the value of
the ...
Side 3
This memorable discovery , in disclosing , by the elevations and depressions of
the barometric column , what was passing in the more elevated regions of the
atmosphere , largely extended our knowledge of this element . It should be
further ...
This memorable discovery , in disclosing , by the elevations and depressions of
the barometric column , what was passing in the more elevated regions of the
atmosphere , largely extended our knowledge of this element . It should be
further ...
Side 15
The Barometer is the instrument employed to measure the height of a 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 ...
The Barometer is the instrument employed to measure the height of a 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 ...
Side 16
Other fluids may be used in the construction of barometers , which , being lighter
than mercury , have columns proportionally longer . Thus , if water , which is
nearly 14 times lighter than mercury , be used , the barometric column is about 35
...
Other fluids may be used in the construction of barometers , which , being lighter
than mercury , have columns proportionally longer . Thus , if water , which is
nearly 14 times lighter than mercury , be used , the barometric column is about 35
...
Side 17
Cistern barometers are subject to two sorts of error , the one arising from
capillarity , and the other from changes of level in the cistern as the mercury rises
and falls in the tube . 33 . The effect of capillarity is to depress the column , the
amount ...
Cistern barometers are subject to two sorts of error , the one arising from
capillarity , and the other from changes of level in the cistern as the mercury rises
and falls in the tube . 33 . The effect of capillarity is to depress the column , the
amount ...
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Bibliografisk informasjon
| Tittel | Handy Book of Meteorology |
| Forfatter | Alexander Buchan |
| Utgave | 2 |
| Utgiver | W. Blackwood and Sons, 1868 |
| Original fra | Harvard University |
| Digitalisert | 25. mar 2008 |
| Lengde | 371 sider |
| Eksporter sitat | BiBTeX EndNote RefMan |