A treatise on surveying ; in which the theory and practice are fully explained (1860)
Alsop, Samuel · Philadelphia, E. C. & J. Biddle & co. · leaf 232
thesides of the tract. The sums of their parallel sides maybe found as follows :— The position of the line NS being arbitrary, the sum Aa+ Bb, corresponding to the first side AB, may be taken atpleasure. Now, if from Aa + Bb we take Ah, the wholedeparture of the two sides AB and BC, we have Bb 4-… … Sides. N. S.Dl E. qV IEmE W.AJcBp E. D. D. W. D. D. Multipliers. N. Areas. S. Areas. AB BA; Afc + Go Aa + Bb, E. 2 AakB BC Afc+Bp Bb + Cc. E.Cc + Dd, E. 2 BbcC CDDE Cq qV — Bp 2 CcdD qD + lE Dd-j-Ee, E. 2 DdeB EF Em ZE + mF Ee + F/. E. 2Ec/F FG nG EnGo mF — Fn F/+ Qg, E. 2 FfgG GA En + Go Gg + Aa.…
Surveying
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