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 111
idian,or sometimes, a North and South line. A line perpendicular toa North and South line, is called an East and West line. 67. A line traced, or measured on the ground, is called aCourse; and the angle which this line makes with the magneticmeridian, passing through thepoint of beginning, is… … SEC. m.] COMPASS SUKVEYING. 109 points, and makes an angle of 46° with the meridian, the bearingis read, north 46° east, and is written, N. 46° E. When the course, like AC, falls between the north and westpoints, and makes with the meridian an angle of 30°, the bearing-is read, north 30° west, and…
Surveying
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