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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. "
A Compendious System of Practical Surveying, and Dividing of Land: Concisely ... - Side 215
1814 - 227 sider
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A Treatise of Practical Surveying: Which is Demonstrated from Its First ...

Robert Gibson - 1806 - 452 sider
...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 links to the left hand ; what 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 - 1808 - 168 sider
...Distance, To the difference of Variation required, EXAMPLE. Suppose it be required to run a line which, some years ago bore N. 45*. E. distance 20 Chains,...this line by the given bearing, the corner is found 20 Links to the left hand ; what is the present bearing of this line ? Ch. Deg. L. As 20 : 57.3 : :...
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A Treatise of Practical Surveying, ...

Robert Gibson - 1808 - 440 sider
...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 links to the left hand ; what allowance must be made on each bearing to trace the old lines, and...
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The Theory and Practice of Surveying: Containing All the Instructions ...

Robert Gibson - 1811 - 508 sider
...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 what is the present bearing...
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A System of Geometry and Trigonometry: Together with a Treatise on Surveying ...

Abel Flint - 1813 - 168 sider
...distance, To the difference of Variation required. EXAMPLE. Suppose it be required to run a line which some years ago bore N. 45°. E. distance 20 Chains,...this line by the given bearing, the corner is found 20 Links to the left hand; what is the present bearing of this line? Ch. Deg. L. As 20 : 57. 3 : :...
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The Theory and Practice of Surveying: Containing All the Instructions ...

Robert Gibson - 1814 - 508 sider
...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...
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A Treatise on Surveying, Containing the Theory and Practice: To which is ...

John Gummere - 1814 - 346 sider
...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 to the left hand; what allowance must be made on each bearing to trace the old lines, and...
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A Treatise on Practical Surveying: Which is Demonstrated from Its First ...

Robert Gibson - 1818 - 478 sider
...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 links to the left hand ; what allowance must * 57.3 is the radius of a circle (nearly) in such parts...
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The Theory and Practice of Surveying: Containing All the Instructions ...

Robert Gibson - 1821 - 544 sider
...EXAMPLE. Suppose it be required to run a line which some years ago boi>e NE. 45°, distance 80 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...
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A System of Geometry and Trigonometry: Together with a Treatise on Surveying ...

Abel Flint - 1825 - 241 sider
...distance, To the difference of variation required. EXAMPLE. Suppose it be required to run a line, which, some years ago, bore N. 45° E., distance 20 chains, and in running this line 6y the given bearing, the corner is found 20 links to the left hand : what is the present bearing of...
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