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 137
° E., 5-17 2. K 73J° E., 8-12 3. S. 45° E., 5-03 4. S. 20^° W., 9-S7 5. S. 551° W., 7-55 6. N. 32f° W., 4-03 7. N. 17i° W., 7-23 First. Compute the entire area of the field as below : … Nov Bearings. 1 ;N.30i°E. 2 ;N.73|°E. 3 S. 45° E. 4 S. 20i° W. 5 jS. 55i° VV. 6 N.32f°W. : 7 N. I7i° VV. Dists.517 8 12 N. ! p. E. W. Hops. Sums. N. Areas. S Areas. 4-47; 2-61 2-611040 | 2-61 1301 11-6667 | j 2-30, 7 79 29-9230 5 03 | 3 56 3-56 13 9610-54 24 36245014-88 | 86-7216 9877554-03 | 9 26…
Plane trigonometry · Surveying
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