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Books Bücher 21 - 25 von 25 in The magnetic compasses placed on the charts for the purpose of facilitating the plotting...
" The magnetic compasses placed on the charts for the purpose of facilitating the plotting become in time slightly in error, and in some cases, such as with small scales or when the lines are long, the displacement of position from neglect of this change... "
North Coast of France Pilot: Including the Channel Islands - Seite 17
von United States. Hydrographic Office - 1917 - 642 Seiten
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Great Lakes Pilot...1921: Lake St. Clair, St. Clair river, lake Huron ...

United States. Hydrographic Office - 1921
...where long lines are used, the neglect of this change may cause displacement of position. The date of variation and the annual change, as given on the compass...corrections when the change has been considerable. The magnetic bearings and courses can readily be reduced to the true, then the true compass rose used....
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United States Coast Pilot: Alaska. Dixon Entrance to Yakutat Bay, Teil 1

1925
...for the purpose of facilitating plotting become in time slightly in error, and in some cases, such us with small scales, or when the lines are long, the...from neglect of this change may be of importance. The compasses are reengraved for every new edition if the error is appreciable. Means for determining the...
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United States Coast Pilot, Alaska: Part II : Yakutat Bay to Arctic Ocean

U.S. Coast and Geodetic Survey - 1938 - 490 Seiten
...for the purpose of facilitating plotting become in time slightly in error due to this change, and in some cases, such as with small scales or when the...long, the displacement of position from neglect of the change may be of importance. The compass roses are replotted for every new edition of the chart...
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United States Coast Pilot: West Indies, Porto Rico and Virgin Islands

1921
...placed on the charts for the purpose of facilitating plotting become in time slightly in error, and in some cases, such as with small scales, or when the...from neglect of this change may be of importance. The compasses are reengraved for every new edition if the error is appreciable. Means for determining the...
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United States Coast Pilot: Atlantic Coast. St. Croix River to Cape Cod

1941
...time slightly in error as a result of this change, and in some cases, such as with small-scale charts or when the lines are long, the displacement of position...from neglect of this change may be of importance. The compass roses are replotted for every new edition of the chart if the error is appreciable. Means for...
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