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Books Bücher 1 - 10 von 32 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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The South America Pilot: From Cape St. Roque to Cape Virgins ..., Teil 1

Great Britain. Hydrographic Office - 1893 - 560 Seiten
...placed on the charts for the purpose of facilitating plotting liecome 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 aiv re-engraved when the error amounts to aquarter of a point, bill the chart plates cannot...
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The Australia Directory: Chiefly from the Result of Various Surveys ..., Band 1

Great Britain. Hydrographic Dept - 1897 - 900 Seiten
...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 re-engraved when the error amounts to a quarter of a point, but the chart plates cannot...
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Special Publications, Ausgabe 6

1900
...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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The Red Sea and Gulf of Aden Pilot: Containing Descriptions of the Suez ...

1900 - 528 Seiten
...for the purpose of facilitating plotting become in time slightly in error, and in some cases, such ax with small scales, or when the lines are long, the...from neglect of this change may be of importance. The Compasses are re-engraved when the error amounts to a quarter of a point, xzii but the chart plates...
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West Coast of Scotland Pilot, Band 1

Great Britain. Hydrographic Dept - 1911
...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 re-engraved when the error amounts to a quarter of a point, but the chart plates cannot...
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United States Coast Pilot: Atlantic Coast. Part III. From Cape Ann ..., Teil 3

U.S. Coast and Geodetic Survey - 1912 - 166 Seiten
...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...long, the displacement of position from neglect of tlu's change may be of importance. The compasses are reengraved for every new edition if the error...
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North Coast of France Pilot: Including the Channel Islands

United States. Hydrographic Office - 1915 - 633 Seiten
...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...the change has been considerable. The compasses are reengraved once in ten years; more frequent alterations on one spot in a copperplate would not be practicable....
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Bay of Biscay Pilot, West Coast of France and the North Coast of Spain from ...

United States. Hydrographic Office - 1915 - 605 Seiten
...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...the change has been considerable. The compasses are reengraved once in ten years; more frequent alterations on one spot in a copperplate would not be practicable....
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Africa Pilot: comprises the sailing directions of the southwest coast of ...

United States. Hydrographic Office - 1916
...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...the change has been considerable. The compasses are reengraved once in ten years ; more frequent alterations on one spot in a copperplate would not be...
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Bay of Bengal Pilot: Bay of Bengal and the Coasts of India and Siam ...

United States. Hydrographic Office - 1916 - 492 Seiten
...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...the change has been considerable. The compasses are reengraved once in ten years; more frequent alterations on one spot in a copperplate would not be practicable....
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