| United States. Hydrographic Office - 1920 - 316 Seiten
...will approach the shores in such localities without taking special precautions. The 10-fathom curves on rocky shores is another warning, especially for...had to the scale of the chart used. A small error in plotting a position means only yards on a large-scale chart, whereas on one of small scale the same... | |
| United States. Hydrographic Office - 1920 - 598 Seiten
...using the chart. 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...had to the scale of the chart used. A small error in plotting a position means only yards on a large scale chart, whereas on one of small scale the same... | |
| United States. Hydrographic Office - 1920 - 508 Seiten
...using the chart. 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...had to the scale of the chart used. A small error in plotting a position means only yards on a large scale chart, whereas on one of small scale the same... | |
| United States. Hydrographic Office - 1920 - 542 Seiten
...feet the edge of the sanding serves as well a marked danger line. Charts on which no fathom curves arc marked must especially be regarded with caution, as...had to the scale of the chart used. A small error in plotting a position means only yards on a large scale chart, whereas on one of small scale the same... | |
| United States. Hydrographic Office - 1920 - 526 Seiten
...whether the least depth has been found. The chart on largest scale should always be used on accoamt of its greater detail and the greater accuracy with...had to the scale of the chart used. A small error in plotting a position means only yards on a large-scale chart, whereas on one of small scale the same... | |
| United States. Hydrographic Office - 1920 - 362 Seiten
...greater accuracy with which positions may be plotted on it. Caution in using small-scale charts.—In approaching the land or dangerous banks, regard must...had to the scale of the chart used. A small error in plotting a position means only yards on a large scale chart, whereas on one of small scale the same... | |
| Great Britain. Hydrographic Department - 1925 - 490 Seiten
...Scale Charts. — In approaching the land or dangerous banks, regaid must always be had to the ecale of the chart used. A small 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 - 1926 - 374 Seiten
...banks regard should be had to the scale of the chart and the largest scale chart available should be used. A small 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 a mile. For the same reason... | |
| U.S. Coast and Geodetic Survey - 1927 - 412 Seiten
...banks regard should be had to the scale of the chnrt and the largest scale chart available should be used. A small 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 a mile. For the same reason... | |
| 1922 - 232 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 of displacement means large fractions of a mile. For the same reason,... | |
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