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 274
CD to AG, AB to GH, and BOto HD. This will not affect theirlatitudes or departures. Join GF.Then in the figure D E F G H the lati-tudes and departures of all the sidesbut F G are known, whence its lengthand bearing can be found as in Case 1. Then the triangle AGFmay be treated like the triangle A E… … 260 LAND-SUR YEYING. comes the meridian—i. e., comes to be due north and south—allthe other sides retaining their relative positions, and continuing tomake the same angles with each other. Change their bearings ac-cordingly. Find the latitudes and departures of the sides in theirnew positions.…
Surveying
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