A treatise on land-surveying; comprising the theory developed from five elementary principles; and the practice with the chain alone, the compass, the transit, the theodolite, the plane table, &c. Illustrated by four hundred engravings, and a magnetic chart (1875)
Gillespie, W. M. (William Mitchell), 1816-1868 · New York, D. Appleton · leaf 67
5.86, CD = 8.25, DA = 4.24 ; the diagonal BD = 11.55,and the proof line AC = 11.04. Required the content. Ans. 4A. 2R. 38P. Ux. 5. The sides of a four-sided field are as follows : AB =8.95, BC == 5.33, CD = 10.10, DA = 6.54 ; the diagonal fromA to C is 11.52 ; the proof diagonal from B to D is… … cnxp. I.J SurYeyins by Diagonals. 61 FieldrWbrk. Measure all the sides of the field. Measurealso diagonals enough to.divide the field into tnangles ; of whichthere Avill ahvajs be two less than the number of sides. ChooseBuch diagonals as will divide the field into triangles as nearly equi-lateral…
Surveying
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