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 266
>B Fig. 268. 379. When One Point can not be seen from the other. Choosetwo points, 0 and D, in the line of A,and such that from 0, A, and B can beseen, and from D, A, and B. MeasureAC, AD, and the angles C and D.Then, in the triangle B C D, are knowntwo angles and the included side, tofind CB.… … 380. To find the Distance from a Given Point to an Inacces-sible Line. In Fig. 254, Art. 358, the required distance is C E.The operations therein directed give the line C A and the angleC A B, or C A E. The requireddistance C E = C A . sin. C A E. Fig. 269. C. When Both Ends of the Line AEE…
Surveying
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
