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" ... even in clear weather. Therefore too much confidence should not be felt as to hearing a fog signal. "
Special Publications - Seite 11
1900
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The South America Pilot: From Cape St. Roque to Cape Virgins ..., Teil 1

1893 - 668 Seiten
...seen over 20 miles if of any power. (See table in Light List above mentioned.) 8. Fug Signals.—Sound is conveyed in a very capricious way through the atmosphere. Apart from wind, large areas of silence have been found in different directions and at different distances from...
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The Australia Directory: Chiefly from the Result of Various Surveys ..., Band 1

Great Britain. Hydrographic Department - 1897 - 938 Seiten
...would permit it to be seen over 20 miles if of any power. (See table in Light List above-mentioned.) 8. Fog Signals.— Sound is conveyed in a very capricious way through the atmosphere. Apart from wind, large areas of silence have been found in different directions and at different distancesfrom...
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The Red Sea and Gulf of Aden Pilot: Containing Descriptions of the Suez ...

1900 - 580 Seiten
...permit it to be seen over 20 miles, if of any power. (See table in Light List above mentioned.) 8. Fog Signals. — Sound is conveyed in a very capricious way through the atmosphere. Apart from wind, large areas of silence have been found in different directions and at different distances from...
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From the Mull of Galloway to Rudh' Rè

1911 - 684 Seiten
...correspending with the usual height of the eye or unexpectedly nearer the light. 9. Fog siijiial*. — Sound is conveyed in a very capricious way through the atmosphere. Apart from wind, large areas of silence have been found in different directions and at different distances from...
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United States Coast Pilot: Atlantic Coast. Part III. From Cape Ann ..., Teil 3

U.S. Coast and Geodetic Survey - 1912 - 178 Seiten
...of little brilliancy, as its height would permit it to be seen over 20 miles if of sufficient power. FOG SIGNALS. — Sound is conveyed in a very capricious...directions and at different distances from the origin of the sound signal, even in clear weather. Therefore too much confidence should not be felt as to hearing...
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North Sea Pilot (eastern Shores): From Dunkerque to the Skaw

United States. Hydrographic Office - 1915 - 418 Seiten
...of little brilliancy, as its height would permit it to be seen over 20 miles if of sufficient power. Fog signals. — Sound is conveyed in a very capricious way through the atmosphere. Apart from the influence of the wind large areas of silence have been found in different directions and at different...
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North Coast of France Pilot, Including the Channel Islands

United States. Hydrographic Office - 1915 - 658 Seiten
...of little brilliancy, as its height would permit it to be seen over 20 miles if of sufficient power. Fog signals. — Sound is conveyed in a very capricious way through the atmosphere. Apart from the influence of the wind large areas of silence have been found in different directions and at different...
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Scandinavia Pilot: The Naze to Christiania, thence to the Kattegat; also the ...

United States. Hydrographic Office - 1915 - 590 Seiten
...of little brilliancy, as its height would permit it to be seen over 20 miles if of sufficient power. Fog signals. — Sound is conveyed in a very capricious way through the atmosphere. Apart from the influence of the wind large areas of silence have been found in different directions and at different...
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Bay of Biscay Pilot, West Coast of France and the North Coast of Spain from ...

United States. Hydrographic Office - 1915 - 1286 Seiten
...of little brilliancy, as its height would permit it to be seen over 20 miles if of sufficient power. Fog signals. — Sound is conveyed in a very capricious way through the atmosphere. Apart from the influence of the wind large areas of silence have been found in different directions and at different...
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United States Coast Pilot: Atlantic coast. Gulf of Mexico from Key West to ...

U.S. Coast and Geodetic Survey - 1916 - 188 Seiten
...of little brilliancy, as its height would permit it to be seen over 20 miles if of sufficient power. FOG SIGNALS. — Sound is conveyed in a very capricious...directions and at different distances from the origin of the sound signal, even in clear weather. Therefore too much confidence should not be felt as to hearing...
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