A treatise on levelling, topography, and higher surveying (1876)
Gillespie, W. M. (William Mitchell), 1816-1868, Staley, Cady, b. 1840, ed · New York, D. Appleton and company · leaf 157
m each of the stations. In the triangle ABC, the three sides being known, theangle AB C is found to be 104° 28/ 39. The formula thengives the angle B A S = U = 105° 8 10 ; whence B C S isfound to be 94° 8 11; and S B = 1042.51; S A = 710.193;and S C = 934.291. (218.) Between Stations. Positions of… … The distance apart of the soundings depends on the regu-larity of the bottom, the depth of the water, and the object ofthe survey. Care should be taken to leave no spot unex-plored. For great accuracy, anchor at some point, and determineits place as above, and then proceed to another point,…
Surveying
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