A treatise on surveying ; in which the theory and practice are fully explained (1860)
Alsop, Samuel · Philadelphia, E. C. & J. Biddle & co. · leaf 183
Fig. 127. 303. First Method.—Assumeany station D, (Fig 126,) andrun a line DE parallel to AB,by Art. 302, and towards C runFa parallel to DE, by Art. 301. 304. Second Method.—Take any convenient baseDE, (Fig. 127,) and takethe angles of position ofC, A, and B at D and E.Calculate BE, CE, andEBA.… … B — PROBLEMS FOR THE PROLONGATION AND INTER-POLATION OF LINES. 305. In running a line, obstacles are often met withwhich it requires some ingenuity to overcome, and whichwill perplex the surveyor unless he has prepared himselfby previous study of all cases which are likely to occur.If the total…
Surveying
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