A treatise on surveying, comprising the theory and the practice ; (1887)
Gillespie, W. M. (William Mitchell), 1816-1868, Staley, Cady, 1840- [from old catalog] ed · New York, D. Appleton and company · leaf 101
erations, very acute intersectionsshould be avoided as far as possible. 133. By Transversals. Let AB be the given line. Take any two points0 and D, such that the line C D willpass the obstacle. Take another point,E, in the intersection of C A and D B.Measure A E, A C, C D, B D, and B E.Then the… … OBSTACLES TO MEASUREMENT IN CHAIN-SURVEYING. 87 the line of E A ; in which case the new distances, C A and C D, will alone require to be measured. P T) v B T)If AE be made equal to AC, then is D P = ^ -^ __^ -^ If B E be made equal to B D, then is D P = a n __ r|- The minus sign in the denominators…
Surveying
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