A treatise on surveying ; in which the theory and practice are fully explained (1860)
Alsop, Samuel · Philadelphia, E. C. & J. Biddle & co. · leaf 183
180 COMPASS SURVEYING. [Chap. V. CAB. Bun EOF, making ACE = CAB, and EF is theparallel required. If the line and the point both be inaccessible. Fig. 126. … 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.…
Surveying
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