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 105
94 SURVEYING. [chap. vni. CD = 4-04 ch.; DF = Y25 ch.; FG = 3-87dL; GH=4-39ch.; IIL = 5-39 ch.; LM = 3*56 ch.; MC «= 11-13 ch.; NC = 3-74 cA.; JSTD = 4-81NH = 8-76 ch.; NL = ch.\ NF-8-20 eh.\ NG = 9-18 ch.;8-68 ch.; NM = 8*26 cA. ^4tw. 1(L4. 3P. 6fP. … 68. Surveys made with the Chain and Compass. -A: The bearing of a line, takenwith a compass, is the angle which the line makes with the ^ •-. ..B meridian. If the angle BAN, **>•- which the line AB makes with w the meridian NS, is 63°, the bearing of AB is north 63° east. The reverse bearing of…
Plane trigonometry · Surveying
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