Elementary MeteorologyK. Paul, Trench & Company, 1898 - 410 pagini |
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Pagina x
... MOISTURE OF THE ATMOSPHERE Atmometry , 95. The difference between gases and vapours , 95 . Evaporation , 96 ; its amount in different latitudes , 101 . Hygrometry , 103. Direct hygrometers , 103. Daniell's , 103 . Regnault's , 104 ...
... MOISTURE OF THE ATMOSPHERE Atmometry , 95. The difference between gases and vapours , 95 . Evaporation , 96 ; its amount in different latitudes , 101 . Hygrometry , 103. Direct hygrometers , 103. Daniell's , 103 . Regnault's , 104 ...
Pagina 4
... moisture contained in the atmosphere , and the balancing of the antagonistic forces of evaporation and condensation , on which depend what is termed , in common parlance , the fineness , or the contrary , of the weather . This branch of ...
... moisture contained in the atmosphere , and the balancing of the antagonistic forces of evaporation and condensation , on which depend what is termed , in common parlance , the fineness , or the contrary , of the weather . This branch of ...
Pagina 82
... moisture in the tube of the instrument . has already been explained that if the tube has been properly filled , the space at the top should contain nothing but a trace of the vapour of mercury , the ten- sion of which , at ordinary ...
... moisture in the tube of the instrument . has already been explained that if the tube has been properly filled , the space at the top should contain nothing but a trace of the vapour of mercury , the ten- sion of which , at ordinary ...
Pagina 83
Robert Henry Scott. In order to test if there be air or moisture in the tube , it is sometimes recommended to incline it , and allow the mercury to flow suddenly to the top . If then the vacuum be perfect , a sharp click will be audible ...
Robert Henry Scott. In order to test if there be air or moisture in the tube , it is sometimes recommended to incline it , and allow the mercury to flow suddenly to the top . If then the vacuum be perfect , a sharp click will be audible ...
Pagina 93
... idea of the regions where the baro- meter is highest and lowest respectively in each of these months , and of the extent of the annual change in different parts of the earth . CHAPTER VI . THE MOISTURE OF THE ATMOSPHERE . WE PRESSURE . 93.
... idea of the regions where the baro- meter is highest and lowest respectively in each of these months , and of the extent of the annual change in different parts of the earth . CHAPTER VI . THE MOISTURE OF THE ATMOSPHERE . WE PRESSURE . 93.
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Termeni și expresii frecvente
action America amount anemometers anti-cyclones appears Arctic Atlantic atmosphere atmospherical circulation barometer blows bulb calm Cape changes Chapter circle circles of latitude climate cloud coast cold column condensation continents curve direction diurnal earth east Easterly eastern electricity equator equatorial evaporation fact fall feet gauge globe Gulf Stream heat height high latitudes hygrometer inches Indian Ocean instrument isobars isotherm isothermal charts January July land latent heat lightning lower lowest mean temperature mercury Meteorological miles moisture Monsoon month motion mountain North northern observations Pacific pass perature phenomena phenomenon Plate pressure produced radiation rain rainfall range readings region rise round scale Siberia side snow South South-east southern hemisphere stations storms strata stratum summer surface temperature thermometer thunderstorms tion Trade wind tropical tube upper vapour velocity warm weather Westerly western winter zone
Pasaje populare
Pagina 201 - Can you explain this omen? Phys. A rainbow can only occur when the clouds containing or depositing the rain are opposite to the sun — and in the evening the rainbow is in the east, and in the morning in the west; and as our heavy rains, in this climate, are usually brought by the westerly...
Pagina 366 - I have never been able to conceive, that the wind in violent storms moves only in circles. On the contrary, a vortical movement, approaching to that which may be seen in all lesser vortices, aerial or aqueous, appears to be an essential element of their violent and long continued action, of their increased energy towards the centre or axis, and of the accompanying rain.
Pagina 187 - Curvature. — The rod should not be bent abruptly round sharp corners. In no case should the length of the rod between two points be more than half as long again as the straight line joining them. Where a string course or other projecting stone work will admit of it, the rod may be carried straight through, instead of round the projection.
Pagina 188 - It is essential that the lower extremity of the conductor be buried in permanently damp soil; hence proximity to rain-water pipes, and to drains, is desirable. It is a very good plan to make the conductor bifurcate close below the surface of the ground, and adopt two of the following methods for securing the escape of the lightning into the earth. A strip of copper tape may be led from the bottom of the rod to the nearest gas or water main — not merely to a lead pipe...
Pagina 65 - The height of the column in the tube above the level of the mercury in the cistern is measured by means of a graduated scale placed beside it.