A complete treatise on practical land-surveying, in seven parts; (1839)
Nesbit, A[nthony], 1778-1859. [from old catalog] · London, Longman, Orme, Browne, Green, and Longmans; [etc., etc.] · leaf 328
double this area by the base or side upon which itis to be parted off, and the quotient will be the perpendicular. When the proposed area is to be parted off in a trapezoid,subtract it from the area of the square or rectangle, and part offthe remainder in a triangle, as above directed. EXAMPLES. 1.… … 2 a. 1r. 36p. = 247500 square links.2 9,0014950,00 550 links, the perpendicular A E. Hence A B E is the triangle required. 2. From A B C D representing a rectangle, whose length is1265,andbreadth 758 links, part off a trapezoid which shall contain7a. 3r. 24p., by a line drawn from the angle B to…
Surveying
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