Studies of the Upper Air
Studies of the Upper Air
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In our eReader you can find the full English version of the book. Read Studies of the Upper Air Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Studies of the Upper Air
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For this and other reasons they are inferior to the tower which now exists in Paris.
It is due to the German Aeronaut- ical Association, and to Dr.Assmann of Berlin in particular, that more trustworthy methods of observing temperature and humidity were de- vised. By means of an instrument called the aspiration psychrometer, hung outside the balloon, and in which a current of air is drawn past the bulbs of the wet and dry bulb ther- mometers, enclosed in polished metal tubes to cut off the direc...t solar or reflected heat rays, the great errors of the ordinary methods are avoided. These arise ' from lack of ventilation — since the bal- loon is relatively in a calm and air may be brought up from the earth in the basket almost like water in a bucket — and from the consequent heating of the thermom- eter, either directly by the sun or by radiation from the heated gas-bag.
As an illustration of modern methods of observation, there may be mentioned an interesting series of observations iat- Berlin in 1897, in which the writer assisted, where observations at three different levels were taken simultaneously.
What to read after Studies of the Upper Air?
You can find similar books in the "Read Also" column, or choose other free books by Rotch, Abbott Lawrence, 1861-1912 to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
For this and other reasons they are inferior to the tower which now exists in Paris.
It is due to the German Aeronaut- ical Association, and to Dr.Assmann of Berlin in particular, that more trustworthy methods of observing temperature and humidity were de- vised. By means of an instrument called the aspiration psychrometer, hung outside the balloon, and in which a current of air is drawn past the bulbs of the wet and dry bulb ther- mometers, enclosed in polished metal tubes to cut off the direc...t solar or reflected heat rays, the great errors of the ordinary methods are avoided. These arise ' from lack of ventilation — since the bal- loon is relatively in a calm and air may be brought up from the earth in the basket almost like water in a bucket — and from the consequent heating of the thermom- eter, either directly by the sun or by radiation from the heated gas-bag.
As an illustration of modern methods of observation, there may be mentioned an interesting series of observations iat- Berlin in 1897, in which the writer assisted, where observations at three different levels were taken simultaneously.
What to read after Studies of the Upper Air?
You can find similar books in the "Read Also" column, or choose other free books by Rotch, Abbott Lawrence, 1861-1912 to read onlineMoreLess
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