A treatise on surveying ; in which the theory and practice are fully explained (1860)
Alsop, Samuel · Philadelphia, E. C. & J. Biddle & co. · leaf 249
culated. 246 COMPASS SURVEYING. [Chap. V. Thus, (Fig. 166,) ifABCDEFG represent atract, and H, I, and K,three points such that,from H, B, C, D, and E,can be seen. From I, allthe corners can be seen,and from K we can see A, hG, F, and E. If the anglesof position of the cornersrelatively to the base… … 366. The same principle may be applied to surveying afarm by means of one or more base lines within the tract.If such lines be run, and the corners be connected by triangleswith given stations in these bases, the tract may be plattedand the area calculated. In all cases of the application of this…
Surveying
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