 | 1925 - 416 Seiten
...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... | |
 | U.S. Coast and Geodetic Survey - 1938 - 504 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... | |
 | U.S. Coast and Geodetic Survey - 1943 - 440 Seiten
...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 30 chart if the error is appreciable. Means... | |
 | U.S. Coast and Geodetic Survey - 1947 - 694 Seiten
...in variation gradually introduces an error in magnetic compass roses on charts, and in some cases, 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 ap- 15 preciable; and... | |
 | 1921 - 206 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 reengraved for every new edition if the error is appreciable. Means for determining the... | |
 | 1929 - 238 Seiten
...similar to the well-known Sumner line when avoiding dangerous shoals or when making the coast. 189 scales, or when the lines are long, the displacement...from neglect of this change may be of importance. The compasses are replotted for every new edition if the error is appreciable. Means for determining the... | |
 | 1941 - 406 Seiten
...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... | |
 | U.S. Coast and Geodetic Survey - 1951 - 630 Seiten
...gradually introduces an error in magnetic compass roses on charts, and in some cases, the dis- 15 placement 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 ; and the... | |
 | 1923 - 116 Seiten
...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 lines are long,...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... | |
 | 1950 - 284 Seiten
...variation gradually introduces 45 an error in magnetic compass roses on charts, and in some cases, the displacement of position from neglect of this change may be of importance. The compass roses are and date of the variation and the amount of annual change are stated for each compass... | |
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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... 
