The theory and practice of surveying. Designed for the use of surveyors and engineers generally, but especially for the use of students in engineering (1886)
Johnson, J. B. (John Butler), 1850-1902 · New York, J. Wiley & sons · leaf 152
n screw in this position, when it is said to beoriented, or in position. In Figs. 27 and 28, let T, T, T, T, represent the plane-table sheet and the points a and/ the original plotted points.The corresponding points on the ground are A and P, the latterbeing covered by/ in Fig. 27, and the former… … 1, Fig. 27. 1,
Surveying
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