A treatise on surveying, comprising the theory and the practice ; (1887)
Gillespie, W. M. (William Mitchell), 1816-1868, Staley, Cady, 1840- [from old catalog] ed · New York, D. Appleton and company · leaf 399
A to B is1,200 feet, and that B is 16-8 feet higher than A. The rise perhundred feet from A is 1-4 foot. Beginning at A, set stakes atevery hundred feet, so that the top of each one is 1*4 foot higherthan the preceding one. A line of uniform grade or slope is not a straight line. Callingthe globe… … CHAPTER II. INDIRECT LEVELING. Fig. 410. 9 METHODS AND INSTRUMENTS. 571. Vertical Surveying. Leveling may be named VerticalSurveying, or Up-and-dotvn Surveying ; Land-Surveying beingHorizontal Surveying, or Right-and-left and Fore-and-aft Sur-veying. All the methods of determining the position of a…
Surveying
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