A system of geometry and trigonometry, with a treatise on surveying; in which the principles of rectangular surveying, without plotting, are explained (1835)
Flint, Abel, 1765-1825, Gillet, George · Hartford, Belknap & Hamersley; New York, Cooke & Co. · leaf 60
, and connect them by lines, as FG, FA,FB, &c. The area may be calculated as taught in the preceding CASE. CASE VII To SURVEY A FIELD FROM TWO STATIONS WITHIN THEFIELD, PROVIDED THE SEVERAL ANGLES CAN BE SEEN FROMEACH STATION. Find the bearing from each station to the respective an-gles ; and… … BC.BD.BE.BF. Second Station.S. 82° 0 E. S. 17 S. 28 0 E. 0 w. S. 49 0 W. BG. N. 76 0 W.BH. N. 24 0 W.Stationary line AB. N. 14° E. 20 chains. TO PROTRACT THIS FIELD. At the first station A, draw a meridian line and lay off thebearings to the respective angles ; draw the stationary lineAB, according…
Surveying
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