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Books Books 1 - 10 of 26 on GF : hence also, the sum of the eastings is equal to the sum of the westings. We....
" GF : hence also, the sum of the eastings is equal to the sum of the westings. We therefore conclude, that when any survey is correctly made, the sum of the northings will be equal to the sum of the southings, and the sum of the eastings to the sum of... "
A Course of Mathematics: Containing the Principles of Plane Trigonometry ... - Page 63
by Jeremiah Day - 1854
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Geometrical and Graphical Essays: Containing a General Description of the ...

George Adams - Geometry - 1813 - 534 pages
...survey, placing them in a kind of table in thi.-ir respective columns; and, if the sum of the northings be equal to the sum of the southings, and the sum of the eastings equal to the sum of the westings, the work is right, otherwise not.* Then in an additional column put the whole quantity of northing...
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A Practical Application of the Principles of Geometry to the Mensuration of ...

Jeremiah Day - Measurement - 1815 - 96 pages
...580W ;3.52 12.47 1995 00 1995 248.7765 EA 5. N. 3055 3055 00 09I 00 00 '44 19144 19 711.59b8i2106.2997 121. When a field is correctly surveyed, and the departures...and latitude columns, the northings are -not found Io agree nearly with the southings, and the eastings with the westings, there must be an errour, either...
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The Second [-fifth and Sixth] Part of A Course of Mathematics: Adapted to ...

Jeremiah Day - Geometry - 1824
...correctly surveyed, and the departures and differences of latitude accurately calculated; it is ovident the sum of the northings must be equal to the sum...the eastings equal to the sum of the westings. If upn adding up the numbers in the departure and latitude columns, the northings are not found to agree...
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The Principles of Plane Trigonometry, Mensuration, Navigation and Surveying

Jeremiah Day - Measurement - 1831 - 370 pages
...and the departures and differences of latitude accurately calculated ; it is evident the sum of ihe northings must be equal to the sum of the southings,...and the eastings with the westings, there must be an en or, either in the survey or in the calculation, which requires that one or both should be revised....
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Elements of Surveying: With a Description of the Instruments and the ...

Charles Davies - Surveying - 1839 - 261 pages
...westings. We therefore conclude, that when any survey is correctly made, the sum of the northings will be equal to the sum of the southings, and the sum of the eastings to the sum of the westings. It would indeed appear plain, even without a rigorous demonstration, that...
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Elements of Surveying: With a Description of the Instruments and the ...

Charles Davies - Surveying - 1839 - 334 pages
...westings. We therefore conclude, that when any survey is correctly made, the sum of the northings will be equal to the sum of the southings, and the sum of the eastings to the sum of the westings. It would indeed appear plain, even without a rigorous demonstration, that...
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Elements of Surveying, and Navigation: With a Description of the Instruments ...

Charles Davies - Navigation - 1835 - 359 pages
...westings. We therefore conclude, that when any survey is correctly made, the sum of the northings will be equal to the sum of the southings, and the sum of the eastings to the sum of the westings. It would indeed appear plain, even without a rigorous demonstration, that...
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Engineering Field Notes on Parish and Railway Surveying and Levelling, with ...

Henry James Castle - Surveying - 1847 - 303 pages
...remeasuring westward the same distance back, it follows, that, in going completely round a tract of country, the sum of the northings must be equal to the sum of the southings, and the sum of the eastings to that of the westings. To find the bearing of a line. Plant the instrument over one end of it, level...
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Elements of Surveying and Navigation: With Descriptions of the Instruments ...

Charles Davies - Navigation - 1852 - 392 pages
...westings. We therefore conclude, that when any survey is correctly made, the sum of the northings will be equal to the sum of the southings, and the sum of tl1e eastings to the sum of the westings. It would indeed appear plain, even without a rigorous demonstration,...
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The practical surveyor's guide: containing the necessary information to make ...

Andrew Duncan (surveyor.) - Surveying - 1854 - 121 pages
...theodolite all such trouble is avoided. In every survey that is truly taken, the sum of the Northings is equal to the sum of the Southings, and the sum of the Eastings to the sum of the Westings. - Let abcefgh represent a plot or parcel of land ; let a be the first station,...
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