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 106
D P is 5 acres. PLAXE SUEYEYIXG 95 EXAMPLE FOR PRACTICE. Divide the field in the above diagram into two parts by anassiinied line Q P parallel to P D so that the azimuth shall be45 and the area Q B <• D P Q shall be 5 acres. THE TRUE MERIDIAN. In order to ascertain the true mei-idian of a given… … Fig. 68. the nest to the end of the handle of The Dipper. See Fig. 68. When Polaris is on the meridian, as illustrated in this instance, it is said to be at culmination. This star is often PLANE SUKVEYING n-ftiTcd to as the north or ix)le star. It is about 1^^ froui thepole, and revolves aroimd the…
Surveying
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