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 112
Measure C H and H F.CH + HF Then is C D = CH-HF or CD = CH. CH-HF or CD = CHX CF 2CH-CF OBSTACLES TO MEASUREMENT IN CHAIN-SURVEYING. 97 When two lines (as A B, Fig. 128. … 159. To an Inaccessible Intersection.C D, in the figure) meet in ariver, a building, or any otherinaccessible point, the distancefrom any point of either totheir intersection, D E, for ex-ample, may be found thus :From any point B, on one line,measure B D, and continue ittill DF = DB. From any…
Surveying
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
