Elements of surveying and levelling; with descriptions of the instruments and the necessary tables (1870)
Davies, Charles, 1798-1876 · New York and Chicago, A. S. Barnes & Company · leaf 177
retofore explained. riLLING UP THE SUEVET. 135. After the triangulation is completed, the interior maybe filled up by the aid of the Compass, on the plane-table, orboth. Use of the Compass. 136. The use of the Compass, in determining points andlines, by means of offsets, has been already explained… … Enter this bearing at A. Then measure along the line AEany distance, as Aa equal to 130 yards, and make an offset tothe lake, which wo measure and find to be 50 yards. Enterthe 130 in the middle column, and as the lake lies on the right(in going from A to E), we insert the 50 in the…
Surveying
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