 A series of main triangles, having sides as long as practicable, to be carried along the whole line of coast, and to be connected at proper intervals with bases measured by the most approved means. 2) At favorable points of this main series observations...  The Surveyor - Σελίδα 1961900Πλήρης προβολή - Σχετικά με αυτό το βιβλίο
 | American Association for the Advancement of Science - 1860 - 468 σελίδες
...the plan of reorganization of the survey, in 1843, it was " urged, and deemed essentially necessary, that the difference of longitude between some main points of the survey, and the meridian of any or all of the European observatories be ascertained immediately." In order to carry... | |
 | American Association for the Advancement of Science - 1860 - 460 σελίδες
...the plan of reorganization of the survey, in 1843, it was "urged, and deemed essentially necessary, that the difference of longitude between some main points of the survey, and the meridian of any or all of the European observatories be ascertained immediately." In order to carry... | |
 | United States. Congress. House - 1258 σελίδες
...the state of the annual appropriation, may allow. It is also urged and deemed essentially necessary that the difference of longitude between some main points of the survey and the meridians of any or all of the European observatories, be ascertained immediately. 3. A series of secondary, and,... | |
 | Johns Hopkins University - 1892 - 206 σελίδες
...to the determination of differences of longitude. It was part of the plan of re-organization of 1843 that the difference of longitude between some main points of the Survey, and the meridians of any or all of the European observatories should be ascertained immediately. The Observatory at Cambridge,... | |
 | 1900 - 464 σελίδες
...briefly stated as follows : 1) A series of main triangles, having sides as long as practicable, to be carried along the whole line of coast, and to be connected...based upon lines of the primary work, to be laid out. 4) From the points fixed by the several triangulations, topography to be executed, and carried as far... | |
 | 1900 - 256 σελίδες
...briefly stated as follows: 1) A series of main triangles, having sides as long as practicable, to be carried along the whole line of coast, and to be connected...main points of the survey and the meridians of a few Kuropean observatories should be ascertained immediately. 3) A series of secondary and tertiary triangles,... | |
 | 1900 - 222 σελίδες
...2) At favorable points of this main series observations to be made for the determination oflatitude, longitude, and azimuth, and besides such magnetic...based upon lines of the primary work, to be laid out. 4) From the points fixed by the several triangulations, topography to be executed, and carried as far... | |
 | Ian R. Bartky - 2000 - 346 σελίδες
...highest technical levels.18 Included in the plan was a provision asserting that it was now necessary "that the difference of longitude between some main points of the survey and the meridians of any or all of the European observatories, be ascertained." The board of experts considered this matter... | |
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