Davies, Charles, 1798-1876 · New York, Cincinnati [etc.] American book company · leaf 294
Fig. 149. Diet. Left. Centre Cat. Right. 4.99.8 4.2A 4.03.8 2.4 0 A -2.9A — 5.511 325. In the following example, there is a regular rise in thesurface-line of one foot in eight. The ratio of slope in theexcavation is to be 1J to 1; height of instrument, 14.2. In seeking for the position of the… … Fig. 150. How does this point compare with the true position of S ? Ans. Not far enough out.What is the result of a trial at 16 feet out and a readingof 4.4 ? Ans. Too far out. 9.6 What is the true cut and distance at S ? Ans. 14.4 288 ELEMENTS OF SURVEYING. [BOOK VIL 49 Find the position of S.…
Surveying
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