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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

## 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...

## 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...

## 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...

## 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...

## 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...

## 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 . ....

## 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...

## 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...