Elements of surveying and levelling; with descriptions of the instruments and the necessary tables (1870)
Davies, Charles, 1798-1876 · New York and Chicago, A. S. Barnes & Company · leaf 183
ints will not join, and then thework must be reduced to the same scale, before the papers canbe put together. In the first example, the position of the point F was deter-mined, in order to unite the first paper with the second. In the second example, we sighted from C and D, the ex-tremities of the… … In this plan, all the points and lines are accurately laiddown. Any number of papers may be joined in a similarmanner. SEC. IT.] CIECULAR PEOTEACTOE. 181 144. The principal use of the plane-table is for the interiorfilling up of trigonometrical surveys: it is also used with advan-tage, Tvhen only a…
Surveying
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