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 268
checks in any important case. If the lines A B and C D crossed eachother, as in Fig. 270, instead of being situ-ated as in the preceding figure, the samemethod of calculation would apply. ->B Fig. 270. 382. Problem. To measure an inac-cessible distance^ A B, when a point, C, inits line can be… … Fig. 271.
Surveying
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