Elements of surveying and navigation : with a description of the instruments and the necessary tables (1847)
Davies, Charles, 1798-1876 · New York : A.S. Barnes & Co. · leaf 120
15 Remark. Had any of the coursesrun south, AB would have beenequal to the sum of the northings,minus the sum of the southings. To find the angle BAG, or thebearing from A to C. As radius : tan A : : AB : jBC, ox AB \ BC : \ R : inn A X that is, As AB 87.77BC 35.29 Rtan A 21054 12. ar. comp. SUUon.… … 8.0566541.547659 10.9.604306 To find the distance AC. As sin ^2105412 ar. comp. . 0.428242R 10. BC 35.29 .... 1.547052 AC 94.6 . . . . 1.975894 Hence, the bearing and distance are both found. Of supplying omissions in the field notes. 148. The last problem affords an easy method of findingthe…
Surveying · Navigation
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