A system of geometry and trigonometry : with a treatise on surveying (1830)
Flint, Abel, 1765-1825, Gillet, George, Barnard, Frederick A. P. (Frederick Augustus Porter), 1809-1889 · Hartford : Cooke & Co. · leaf 62
tionary angleas at F. From the point F, lay off the bearing and distanceto the several angles, and connect them by lines, as FG, FA,FB, &c. The area may be calculated as taught in the preceding CASE. CASE VII. To SURVEY A FIELD FROM TWO STATIONS WITHIN THE FIELD,PROVIDED THE SEVERAL ANGLES CAN… … First Station. AC. N. 383 30 E. AD. S. 69 0 E. AE S. 59 0 W. AF. N. 63 0 w. AG. N. 21 0 w. AH. North. Second Station. BC. S. 82° 0 E. BD. S. 17 0 E. BE. S. 28 0 W. BF. S. 49 0 W. BG. N. 76 0 W.BH. N. 24 0 W. Stationary line AB. N. 14° E. 20 chains. To PROTRACT THIS FIELD. At the first station A,…
Surveying · Geometry · Trigonometry
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