A treatise on surveying and navigation: uniting the theoretical, practical, and educational features of these subjects (1857)
Robinson, Horatio N[elson], 1806-1867. [from old catalog] · Cincinnati, J. Ernst; Toledo, Anderson, Burr, & co. · leaf 122
B, 0, and D, wereestablished. The surveyor commenced at C to run a random lineas near CD as possible. After going a few chains, he came to thebank of the ravine at F, where it was impossible to pass or sightacross. Driving a stake at F, he took a direction FH along thebank of the ravine,… … 120 SURVEYING. then at L, carefully noting the direction of each, and being carefulto have the angle KHL greater than 30°. He then passed over andset the compass at K, took the direction of KL and measured it.Having now KL one side, and all the angles of the triangle BKL,he computed HL. He now set…
Surveying · Navigation
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