Finch, James Kip, 1883- · New York : John Wiley & Sons, Inc. · leaf 128
LATION 107 triangulation for position sketching are illustrated in Fig.60 and given as follows: 1, select at some point in the area,preferably near its center, where a long strip of fairly levelground is available, a position for the base line. This baseline, AB, should be of good length compared… … \ Ray drown -fhrougn,^a from C in field \ Set up J \ T ■ _____--i—~~ J \*--Xocated oy> \.Ray drawn \ Resectioa- p from b Set up Fig. 60.—Development of Triangulation Method. tion, that is, they should form good angles for intersectionsfrom each end of the base; 2, the base line is next…
Cartography · Military maps
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