A treatise on surveying and navigation: uniting the theoretical, the practical, and the educational features of these subjects (1852)
Robinson, Horatio N[elson], 1806-1867. [from old catalog] · Cincinnati, J. Ernst · leaf 151
others to avoid confusion. After any line, as FG, has been computed, it is well to measure it,and if the measurement corresponds with computation, or nearly so,we may have full confidence of the accuracy of the work as far as ithas been carried. We may take CD as the base, and determine any visible… … THE PLANE TABLE. 147 But to make the computation, triangle after triangle, for the sakeof making a map, would be very tedious, and to measure every sideand angle would be as tedious, and to facilitate this kind of operationwe may have an instrument called the PLANE TABLE. The plane table is exactly…
Surveying · Navigation
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