A treatise on surveying, comprising the theory and the practice (1906)
Gillespie, William Mitchell, 1816-1868, Staley, Cady, 1840- · New York D. Appleton · leaf 340
tc., to h, c,etc. Join a h,h c, etc., anda complete plot of the field gxis obtained. Trees, houses,hills, bends of rivers, etc.,may be determined in thesame manner. The corre-sponding method with the compass or transit has been described.The table may be set at one of the angles of the field, if… … 330 TOPOGIiAPIIY racv of the work. If, after locating all the points, a second sightis taken to the starting point, and the edge of the ruler coincideswith the line lirst drawn, it is probable that the board has not movedduring the work. Traversing^ or the Method of rrogrcssion.—Let A B C D,…
Surveying
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