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 312
448. Let it be required to Fig. 333. … F H are the required linesLet it be required tomake the above division bylines starting from tiuo givenpoints, P and Q. Reducethe quadrilateral to an equiv-alent triangle 0 B E. DivideE B into three equal parts atF and G. Join 0 Q, and,from G, draw G K parallel ^ divide a quadrilateral, A B C D,…
Surveying
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