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 111
responding letters affixed to them. 156. By Transversals. Set a stake, C, in the alinement ofB A; a second, D, at any convenient point ; a third, E, inthe line 0 D ; and a fourth, F, at the intersection of the aline- 96 LAND-SUE VEYIXa. … D^ Fig. 125. ments of D A and E B. Measure A C, CE,ED,DF, and F A. Then is A B = AC XAF XDECExDF-AFxDE* If the point E be taken in the middleof C D (as it is in the figure), then A B =ACX AFDF-AF If the point F be taken in the middle of A D, then A B =AC X DECE-DE The minus signs must be…
Surveying
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