Surveying ; a manual of practical instruction in the art of plane surveying, including plotting, leveling, triangulation, line running, cross-sectioning, traversing, and other details of field work (1910)
American School of Correspondence, Phillips, Alfred Edward, 1863- [from old catalog] · Chicago, American school of correspondence · leaf 79
end section and M ^ the section midway be-tween the two. The result is given in cubic yards. The mistake must not be made of assuming that M is a meanbetween A and B; but a theoretical section must be plotted whosedimensions are a mean between those of A and B. This oftenresults in quite a… … a-a So? * 0/ o H t-t PLANE SURVEYING. PART II. The meridian plane of any place uxjou the earths surfaceis a great circle passing through the zenitli of the x^lace and thepoles of the earth. A true meridian is, therefore, a line lying inthis plane, and would, if produced, pass through the poles. The…
Surveying
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