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 24
10 v Q 10 20 30 .Ji 20 SURVEYING. Besides the numerical scale of equal parts, we have scales ofchords, sines, and tangents, which can be constructed correspondingto any radius. Such scales of course are not scales of equal parts. Such scales are constructed in the following manner. Take CA any…
Surveying · Navigation
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