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 109
a stake, C, in the line of A andB, and set another stake, D, wherever conven-ient. AYith a distance equal to CD, describefrom A an arc on the ground; and, with a dis-tance equal to A C, describe another arc fromD intersecting the first arc in E. Or, take A Cand CD so that together they make one… … OBSTACLES TO MEASUREMENT IN CHAIN-SURVEYING. 95 of A E and D B.AC X AF EF ; orCB = Measure A F and E F.ACxCD Then is A B = EF Fig. 123. 154. By Symmetrical Triangles. Let AB be the required dis-tance. From A measure a line in any-convenient direction, as A C, and meas-ure onward, in the same…
Surveying
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