A treatise on surveying, comprising the theory and the practice ; (1887)
Gillespie, W. M. (William Mitchell), 1816-1868, Staley, Cady, 1840- [from old catalog] ed · New York, D. Appleton and company · leaf 144
e with a meridian line has a great advantage, in both accuracy andrapidity, over the method of platting lines by the angles which each makeswith the line which comes before it. In the latter method, any error in thedirection of one line makes all that follow it also wrong in their directions.In the… … 130 LAXD- SUE TEYING. is drawn, near the middle of the sheet, and all the bearings of the survey arelaid off from some one point of it, as shown in the figure, and numbered tocorrespond with the stations from which these bearings were taken. Thecircular protractor is convenient for this. They are…
Surveying
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