Van Nostrand's eclectic engineering magazine (1869)
[New York : D. Van Nostrand] · leaf 193
of intersection, the angle and locate the points d and cV as problem is of the most general form and before. Move then to b and sighting to may be solved as follows : Set the in- c' locate the middle part of the diagonal strument at any point not within the be' . Then move to c, sight to b'… … and/ found. The line joining ef passes j enough to determine the line ef &n addi- throngh the point of intersection of AB i tional point may be obtained as shown and CD. Although two points are | by the dotted lines in the figure. In
Engineering
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
