A treatise on surveying, comprising the theory and the practice (1906)
Gillespie, William Mitchell, 1816-1868, Staley, Cady, 1840- · New York D. Appleton · leaf 26
te angles, ^^^- ^^■*- and, consequently,loss of accuracy.The figure of thebase net connect-ing the base withthe triangulationis therefore oneof importance, andideally may be de-scribed as a seriesof quadrilateralswith diagonals in-tersecting at right angles, the length of these diagonals… … 16 GEODESY. triangultition. Additioual conditions may be introduced by observ-ing the lines A E, B F, C G, and D II, if they are open and thestations intervisible, thus increasing the accuracy with but littleextra work, excepting in the computation. 588. Reconnaissance. Reconnaissance, as usually…
Surveying
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