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 26
Sight from E to ( and find thepoint II in which this visual linecrosses AB. Next find the pointG at the intersections of DII andBE prolonged. Sight from G toC and the point M in which thisvisual line crosses AB will be thepoint required and the distgyiceMG will equal 51V. MC will bethe… … Fig. 7. 16 PLANE SUKVEYING From point C let fall CD perpendicular to AB. At C erect CFperpendicular to CD; then EF will be the parallel required. 4. To j)i(ihiii(i (I It III hiijond an olmtade. Let AB, Fig. 9,be the given line which is intercepted by a tree, house or other ob-stacle. It is…
Surveying
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