The Conquest of the Air Or the Advent of Aerial Navigation
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In the tropics, near the coast and at sea, above the permanent northeast and southeast trades the counter- trades blow, respectively, from the southwest and northwest. As some doubt had been cast upon this phenomenon, an expedition was sent in 1905, jointly by Monsieur Teisserenc de Bort, the distinguished French meteorologist, 34 THE CONQUEST OF THE AIR and the author, to explore the atmosphere above the tropical Atlantic. Pilot balloons, dis- patched from the islands of Teneriffe and St.
TEHE...RIFFE. JULY ( or FIG. 8. Trade and Counter-Trade Winds.
Vincent, were observed with theodolites at the ends of a base-line, and in this way the heights at which the balloons changed direction could be ascertained. Later the balloons were sent up from the yacht itself, which steamed after THE OCEAN OF AIR 35 them, measurements being made of their an- gular elevation. The observations which are plotted in Fig. 8, prove conclusively the existence of the upper counter-trade. The courses of the balloons are represented as if projected upon the surface of the sea and show that the northeast trade-wind extended only to the height of 3, 200 or 4, 000 meters, 'and then gradually turned into a southerly current which, higher up, came from the southwest.
What to read after The Conquest of the Air Or the Advent of Aerial Navigation?
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:
In the tropics, near the coast and at sea, above the permanent northeast and southeast trades the counter- trades blow, respectively, from the southwest and northwest. As some doubt had been cast upon this phenomenon, an expedition was sent in 1905, jointly by Monsieur Teisserenc de Bort, the distinguished French meteorologist, 34 THE CONQUEST OF THE AIR and the author, to explore the atmosphere above the tropical Atlantic. Pilot balloons, dis- patched from the islands of Teneriffe and St.
TEHE...RIFFE. JULY ( or FIG. 8. Trade and Counter-Trade Winds.
Vincent, were observed with theodolites at the ends of a base-line, and in this way the heights at which the balloons changed direction could be ascertained. Later the balloons were sent up from the yacht itself, which steamed after THE OCEAN OF AIR 35 them, measurements being made of their an- gular elevation. The observations which are plotted in Fig. 8, prove conclusively the existence of the upper counter-trade. The courses of the balloons are represented as if projected upon the surface of the sea and show that the northeast trade-wind extended only to the height of 3, 200 or 4, 000 meters, 'and then gradually turned into a southerly current which, higher up, came from the southwest.
What to read after The Conquest of the Air Or the Advent of Aerial Navigation?
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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