Elements of surveying and levelling; with descriptions of the instruments and the necessary tables (1870)
Davies, Charles, 1798-1876 · New York and Chicago, A. S. Barnes & Company · leaf 257
Dist. Left. CentreCut. Right. 4.9 4.2 4.09.8 A 3.8 2.4 0 - 2.9 - 5.5.4 A 11. 63. 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 IJ to 1; height of instrument, 14.2. In seeking for the position of the… … 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. 9.614.4 4.9 What is the true cut and distance at S ? Ans, Find the position of ^S. Ans. 7.3 Note 1.—It sometimes happens, in yery…
Surveying
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