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 292
chains, and DC 18 chains.The angle at C is fixed by a tie-line A B = 48-00, B C being42-00, and 0 A being 30-00. Ans.CL= 27-31 chains, or CL = 7*69chains. The figure is on a scale of 20chains to 1 inch = 1 : 15840. If the angle of the field and theposition of the point P are given bybearings or… … o V \f p sin. LCM/ tent = c. Then C L P Demonstration. Suppose the line L M drawn. Then, by Art. 61, note, the required content, c = }.OLxCM. sin. LCM. This content will also equal the sum of the two triangles L C P and M 0 P—i. e.,« = }.CLxp + 2 c I.CMxff. The first of these equations gives O M =…
Surveying
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