Elements of surveying and levelling; with descriptions of the instruments and the necessary tables (1870)
Davies, Charles, 1798-1876 · New York and Chicago, A. S. Barnes & Company · leaf 143
ed that one cannot be seen from theother. 101. Let A and (7 be the two points,and AB a meridian passing throughone of them. From either of them, asA, measure a course A 2, of a con-venient length in the direction towardC, and take the bearing with the com-pass. At 2, take the bearing of a… … SEC. III.] AREA OF GROUND. 141 the sum of the southings will be denoted by AB; and thedifference between the sum of the eastings and the sum of theyrestings, by BC. The base AB, and the perpendicular BC oithe right-angled triangle ABC, are then known. The angleat the base, BAC, is the bearing from…
Surveying
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
