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 59
8, as shown inFig. 48. All the operations are shown by dotted lines, and the finallyresulting triangle, 5—7 — 8, is equivalent to the original figure of eightsides. It is best, in choosing the side to be produced, to take one which has along side adjoining it on the end not produced ; so that this… … CALCULATING THE CONTENTFig. 48. 45
Surveying
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