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 176
hence twochains and thirty-five linksnortheasterly thirty-six de-grees to the southeasterlycorner of the homestead ;thence nineteen chains andthirty-two links northeast-erly twenty-six degrees toa stone set in the ground ;thence twenty-eight chainsand eighty links northwest-erly sixty-six degrees… … 258. Fig. 184 A*; + A+ BThe Mascheronis Theorem. The surface of any polygon isequal to half the sum of the products of itssides (omitting any one side) taken two andtwo, into the sines of the angles which thosesides make with each other. Thus, take any. polygon, such as the five-sided one in the…
Surveying
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