 | 1893 - 666 Seiten
...largest scale chart should always be used for navigating. 4. Caution in using small Scale Charts.—In approaching the land or dangerous banks, regard must...error in laying down a position means only yards on a large scale chart, whereas on a small scale the same amount of displacement means large fractions of... | |
 | Great Britain. Hydrographic Department - 1897 - 938 Seiten
...why this largest scale chart should always be •need for navigating. 4. Caution in using small Scale Charts. — In approaching the land or dangerous banks,...error in laying down a position means only yards on a large scale chart, whereas on a small scale the same amount of displacement means large fractions of... | |
 | 1900 - 48 Seiten
...always the possibility that the shoalest spot may not have been found. 1O. CAUTION IN USING SMALL, SCALE CHARTS. — In approaching the land or dangerous banks,...error in laying down a position means only yards on a large scale chart, whereas on a small scale the same amount of displacement means large fractions of... | |
 | 1900 - 580 Seiten
...scale chart should always be used for navigating. XVII 4i, Caution in winy small Scale Charts. — ID approaching the land or dangerous banks, regard must...error in laying down a position means only yards on a large scale chart, whereas on a small scale ,li-- same amount of displacement means large fractions... | |
 | U.S. Coast and Geodetic Survey - 1906 - 660 Seiten
...curve" not to be crossed without precaution. Caution in using small-scale charts. — In approaching land or dangerous banks, regard must always be had...means only yards on a large-scale chart, whereas on a small scale the same amount of displacement means large fractions of a mile. For this reason bearings... | |
 | 1911 - 684 Seiten
...why this largest scale chart should always be used for navigating. 4. Caution in -using Small Scale Charts.— In approaching the land or dangerous banks,...error in laying down a position means only yards on a large scale chart, whereas on a small scale the same amount of displacement means large fractions of... | |
 | U.S. Coast and Geodetic Survey - 1912 - 178 Seiten
...charts as on those of larger scale, therefore in approaching the land or dangerous banks regard should be had to the scale of the chart used. A small error...means only yards on a large-scale chart, whereas on a small scale the same amount 01 displacement means large fractions of a mile. For the same reason,... | |
 | United States. Hydrographic Office - 1916 - 322 Seiten
...that line, on account of the possible existence of undiscovered inequalities of the bottom, which only an elaborate detailed survey could reveal. In general...of displacement means a large fraction of a mile. Distortion of printed charts. — The paper on which charts are printed from engraved plates has to... | |
 | United States. Hydrographic Office - 1916 - 538 Seiten
...line, on account of the possible existence of undiscovered inequalities of the bottom, which only nn elaborate detailed survey could reveal. In general...of displacement means a large fraction of a mile. Distortion of printed charts. — The paper on which charts are printed from engraved plates has to... | |
 | United States. Hydrographic Office - 1916 - 592 Seiten
...time required for so detailed a survey. It is not contemplated that ships will approach the shores hi such localities without taking special precautions....of displacement means a large fraction of a mile. Distortion of printed charts. — The paper on which charts are printed from engraved plates has to... | |
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For vessels drawing less than 18 feet the edge of the sanding serves as a well-marked danger line. Charts on which no fathom curves are marked must especially be regarded with caution, as indicating that soundings were too scanty and the bottom too uneven... 
