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 450
Plane-Table. THE PLANE-TABLE. 435 ,>V … applicable to surveying a field, as in the figure. In it and the fol-lowing figures, the size of the table is much exaggerated. Set theinstrument at any conven-ient point, as 0 ; level it,and fix a needle (having ahead of sealing-wax) in theboard to represent the sta-tion. Direct the alidade toany…
Surveying
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