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" As the length of the whole line, Is to 57.3 Degrees,* So is the said distance, To the difference of Variation required. EXAMPLE. Suppose it be required to run a line which some years ago bore N. 45. "
A System of Geometry and Trigonometry: With a Treatise on Surveying ... in ... - Page 85
by Abel Flint - 1830 - 284 pages
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A Treatise of Practical Surveying: Which is Demonstrated from Its First ...

Robert Gibson - Surveying - 1806 - 452 pages
...to 57.3 degrees * So is the said distance To the difference of variation required. EXAMPLE. Suppose it be required to run a line which some years ago bore NE 45, distance 80 perches, and in running this line by the given bearing, the corner is found 20...
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A System of Geometry and Trigonometry: Together with a Treatise on Surveying ...

Abel Flint - Geometry - 1808 - 168 pages
...to 57.3 Degrees,* So is the said Distance, To the difference of Variation required, EXAMPLE. Suppose it be required to run a line which, some years ago...left hand ; what is the present bearing of this line ? Ch. Deg. L. As 20 : 57.3 : : 20 100 20 2000 2000)68760(34 Minutes. Answer 34 Minutes to the left...
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A Treatise of Practical Surveying, ...

Robert Gibson - 1808 - 440 pages
...to 57.3 degrees* So is the said distance To the difference of variation required. EXAMPLE. Suppose it be required to run a line which some; years ago bore NE. 45, distance 8O perches, and in running this line by the given bearing, the corner is found 2O...
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The Theory and Practice of Surveying: Containing All the Instructions ...

Robert Gibson - Electronic books - 1811 - 508 pages
...requiredEXAMPLE. Suppose it be required to run aVinc which Some years ago bore KE. 45, distance 80 perches, and in running this line by the given bearing, the corner is found 30 links to the left hand ; vrhat allowance must be made on each bearing to trace the old lines, and...
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A System of Geometry and Trigonometry: Together with a Treatise on Surveying ...

Abel Flint - Geometry - 1813 - 168 pages
...to 57.3 Degrees,* So is the said distance, To the difference of Variation required. EXAMPLE. Suppose it be required to run a line which some years ago...left hand; what is the present bearing of this line? Ch. Deg. L. As 20 : 57. 3 : : 20 100 20 2000 2000)68760(34 Minutes. . Answer 34 Minutes to the left...
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A Compendious System of Practical Surveying, and Dividing of Land: Concisely ...

Surveying - 1814 - 227 pages
...degrees j So is the said distance, To the difference of variation required. EXAMPLE. Suppose a line, some years ago, bore N. 45 E. distance 20 chains...this line, by the given bearing, the corner is found 30 links to the left hand. Required the bearing at the present time. A fCh. Deg. Links. 8 1 20 . ....
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The Theory and Practice of Surveying: Containing All the Instructions ...

Robert Gibson - Electronic books - 1814 - 508 pages
...requiredEXAMPLE. Suppose it be required to run a line which some years ago boo? KE- 45", distance bO perches, and in running this line by the given bearing, the corner is found 20 links to the left hand ; what allowance must be made on each bearing to trace the old lines, and what is the present bearing of this...
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A Treatise on Surveying, Containing the Theory and Practice: To which is ...

John Gummere - Surveying - 1814 - 346 pages
...the said distance ; So is 57-3 degrees,* To the difference of variation required. EXAMPLE. Suppose it be required to run a line, which some years ago bore V. 45 E. dist. 20 ch. and in running this line by the given bearing, the corner is found 20 links...
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A Treatise on Surveying: Containing the Theory and Practice : to which is ...

John Gummere - Surveying - 1817 - 206 pages
...said distance ; So is 57,3 degrees,* To the difference of variation required. • * * EXAMPLE. Suppose it be required to run a line, which some years ago bore N. 45 E. dist. 20 ch. and in running this line by the given bearing, the corner is found 20 links to the left...
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A System of Geometry and Trigonometry: Together with a Treatise on Surveying ...

Abel Flint - Geometry - 1818 - 168 pages
...to 57.3 Degrees,* So is the said Distance, To the difference ofVariation required. EXAMPLE. Suppose it be required to run a line which some years ago bore N. 45 . E. distar.er 20 Chains, and in running this line by the given beariug, tne corner is found 20 Links to...
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