Plane trigonometry, and its application to mensuration and land surveying. Accompanied with all the necessary logarithmic and trigonometric tables (1852)
Perkins, George R. (George Roberts), 1812-1876 · New York, D. Appleton · leaf 127
hod of plotting. We will take the first field given, as an example: Draw upon the paper a rectangle or square, as NSLM, of suf-ficient size to embrace the plot. As the survey of this field was begun at its most westerlycorner, we may assume NS as the principal meridian passingthrough the first… … From the values given in the table, page 112, we find the lat-itudes and departures of the several corners as follows: § 78.] SURVEYING. 117 Latitudes. Departures. + 4-53 . . (1) + 4-46 . . (1) + 1-08 + 3-88 + 5-61 * • (2) + 8-34 . . (2) -7-00 + 4-59 -1-39 . . (3) + 12-93 . . (3) -4-02 - 6-37 -5-41…
Plane trigonometry · Surveying
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