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" E., and W. respectively. Add up these several columns, and, if the work is so far correct, the sum of the northings will equal the sum of the southings, and the sum of the eastings will equal the sum of the westings. Then in two additional columns enter... "
A Treatise on Mathematical Instruments: Including Most of the Instruments ... - Page 133
by John Fry Heather - 1859 - 170 pages
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A Textbook on Mining Engineering, Volume 1

1900 - 728 pages
...a continuous one around a tract, ending at the place of beginning, the sum of the northings should equal the sum of the southings; and the sum of the eastings should equal the sum of the westings. Or, in other words, the sum of all the latitudes north should...
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A Treatise on Coal Mining: Prepared for Students of the International ...

International Correspondence Schools - 1900 - 720 pages
...a continuous one around a tract, ending at the place of beginning, the sum of the northings should equal the sum of the southings; and the sum of the eastings should equal the sum of the westings. Or, in other words, the sum of all the latitudes north should...
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Coal and Metal Miners' Pocketbook of Principles, Rules, Formulas, and Tables ...

International Correspondence Schools - 1900 - 728 pages
...continuous one around a tract, and ending at the place of beginning, the sum of the northings should equal the sum of the southings, and the sum of the eastings should equal the sum of the westings. Or, in other words, the sum of all the latitudes north, should...
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The Coal Miner's Handbook: A Handy Reference Book for Coal Miners, Pit ...

International Correspondence Schools - 1913 - 360 pages
...continuous one around a tract, and ending at the place of beginning, the sum of the northings should equal the sum of the southings, and the sum of the eastings should equal the sum of the westings. The most accurate way to construct a map is to traverse the survey...
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Coal Miners' Pocketbook: Formerly The Coal and Metal Miners' Pocketbook ...

Thomas J. Foster - 1916 - 1230 pages
...continuous one around a tract, and ending at the place of beginning, the sum of the northings should equal the sum of the southings, and the sum of the eastings should equal the sum of the westings. Or, in other words, the sum of all the latitudes north, should...
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A Text-book of Theodolite Surveying and Levelling: For the Use of Students ...

James Park - 1922 - 598 pages
...traverse ends at the starting-point, Fio. 28. Hence in a closed traverse the sum of the northings should equal the sum of the southings ; and the sum of the eastings, the sum of the westings. The differences which always exist, even in the most carefully conducted survey,...
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