Sounding the Ocean of Air; Being Six Lectures Delivered Before the Lowell Institute of Boston, in December 1898
The book Sounding the Ocean of Air; Being Six Lectures Delivered Before the Lowell Institute of Boston, in December 1898 was written by author Rotch, Abbott Lawrence, 1861-1912 Here you can read free online of Sounding the Ocean of Air; Being Six Lectures Delivered Before the Lowell Institute of Boston, in December 1898 book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Sounding the Ocean of Air; Being Six Lectures Delivered Before the Lowell Institute of Boston, in December 1898 a good or bad book?
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The lowest tempera- ture of —88° Fahrenheit was supposed to be too high, for the reason that whereas the ventilation of the thermometers in a rapidly ascending or descending balloon might be sufficient to counter- act solar radiation, this would not be the case when the balloon was approaching its culminating point with a diminishing speed. Therefore, Dr. Assmann, under whose supervision the German ex- periments were conducted, employed the thermo- meter, which in the captive balloon was aspira...ted electrically, but now was driven by a weight, and later, because the ink froze, the registration was made photographic. The efficacy of the aspirator was seen in the ascent referred to, for, when its action stopped, a higher temperature was recorded though the balloon continued to ascend. In April 1895 the Cirrus rose to the extraordinary height of 72,000 feet, or more than thirteen and a quarter miles, where the barometric pressure was reduced to one and a half inches of mercury. (In Plate I.
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