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 113
in. 34^° sin. 461° x sin. 82|° x sin. 33|-° sin. 34i° x sin. 31f° sin. 82^° x sin. 106° x sin. 181° x x X 2: AB2 2AB2 2AB2 x 2AB2 sg. chains. = 10-679= 8-683= 6-386= 10-303= 16-675 sin. 31f° x sin. 26J° 2 sin. 106° x sin. 123° x sin. 7U° AB2 = 16-090 sin. 26i° x sin. 33° x 2 = 39-325 108-141or,… … § 73.] SURVEYING. 103 Stationary line AB, S. 88° 30, E. 19-20 chains. Bearings of Comers Bearings of Corners from Station A. from Station B. AC = N. 72° E. BC = K 201° E. AD = 1\. 39° E. BD=K 24° W. AE = 1ST. 91° E. BE - K 50° W. AF = JST. 16° E. BF - N. 29i° W. AG = K 141° E. BG = K 21J° W. AH = K…
Plane trigonometry · Surveying
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