A treatise on land-surveying; comprising the theory developed from five elementary principles; and the practice with the chain alone, the compass, the transit, the theodolite, the plane table, &c. Illustrated by four hundred engravings, and a magnetic chart (1875)
Gillespie, W. M. (William Mitchell), 1816-1868 · New York, D. Appleton · leaf 313
be, &c., and a complete plat of the field is obtained.Trees, houses, hills, bends of rivers, &c., may be determnied inthe same manner. The corresponding method with the Compassor Transit, was described hi Articles (258) and (391). The tablemay be set at one of the angles of the field, if… … c E \ i \ ^L y^ ^^ (453) Method of Progression. Let ABCD, &c., be the lineto be surveyed. ^^s- 308. Fix a needle at aconvenient pointof the Plane-table,near a corner soas to leave roomfor the plat, andset up the table atB, the second an-gle of the line, sothat the needle,whose point repre-sents…
Surveying
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