A system of geometry and trigonometry, together with a treatise on surveying ... Likewise, rectangular surveying ... To the whole are added, several mathematical tables, necessary for solving questions in trigonometry and surveying .. (1825)
Flint, Abel, 1765-1825 · Hartford, O. D. Cooke & co. · leaf 53
t refer-ence to the Bearing of those Sides. Such a Compass would be particularlyuseful in surveying Land where there are mineral substances which have aninfluence upon the Compass Needle, attracting it one way or the other, S,ndthus rendering it impossible to tafee a Conrse by it with precision. 4B… … REMARKS. The Sides of the several Triangles into which the Plot of a..Field is divided may be found by Trigonometry ; and then theArea of each Triangle may be calculated according to Prob.IX. Rule 3. The Sum of the Areas of the several Triangleswill be the Area of the whole Field. This method may…
Surveying
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