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 113
les. Fig. 133. Take any convenient point, asC. Set stakes at two otherpoints, D and D, in the sameline, and at equal distancesfrom C. Take a point E, inthe line of AD; measurefrom it to C, and onward tillCE = CE. Take a pointF in the line of BD; meas-ure from it to C, and onwardtill CF = CF. Bange… … OBSTACLES TO MEASUREMENT IN CHAIN-SURVEYING. 99 Fig. 134. . 164. Otherivise: Take any convenient point, as C, and set offequal distances on each sideof it, in the line of C A, toD and D. Set off the samedistances from C, in theline of C B, to E and E.Through 0 set out a parallelto DE or DE, and…
Surveying
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