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 72
o determine the horizontal distance to a point which is inaccessible by reason of an intervening river. 88. Let C be the point. Measurealong- the bank of the river a hori-zontal base line t^B, and select thestations ^ and B, in such a mannerthat each can be seen from the other,and the point C from… … As sin C . 57 34 . ar. comp. . 0.073649 : sin A . 570 35 . . 9.926431 :: AB . 600 ... . . 600.11 yards. . 2.778151 : BC . 2.778231 % To find the distance AC. As sin C 57° 34 ar. comp. . 0.073649 : sin B 64051. . 9.956744 :: AB 600 ... .643.94 yards PROBLEM II. . 2.778151 : AC 2.808544 To determine…
Surveying · Navigation
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