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 86
hassurprised many tofind Wior west on theright hand toward theeast, and E in thedirection toward the west,next figure. Suppose we wished to find the direction of a line from the centerof the compass to the object B. We set the compass, that isplace it horizontal on its staff or tripod, the needle… … The reason of this is explained by the 84 SURVEYING.
Surveying · Navigation
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