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 244
le to number 3 ; and 5, 1, 3,will be the right-angled triangle required; hence the area ofthe irregular offset may be found by multiplying the base 1, 5,by half the perpendicular 1, 3. PROBLEM IV. It is required to lay down a right-line Offset* from the followingDimensions ; to reduce it to a… … Having laid down the figure; produce the side A C, atpleasure, for a temporary line. Lay the ruler from the first angle A, to the third angle E ;move it parallel to the second angle C ; and mark the temporaryline at 1, which, in this case, is at the second angle, because thesaid A C, is the…
Surveying
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