Finch, James Kip, 1883- · New York : John Wiley & Sons, Inc. · leaf 88
s, etc. Inartillery work it is desirable to work out on a map in this waythe dead ground in front of an artillery position and placethe various batteries so as to effectively cover the entire area.In the case of artillery fire it is necessary to allow for thecurving trajectory of the projectile and… … Fig. 39.—Profile showing Lines of Visibility. one line. Thus from the map (Fig. 38) we can construct aprofile on one of the radiating lines, such as AB, which havebeen drawn from the position of the observer at A. Fig. 39shows this profile. From the observation point A, which isat elevation 930,…
Cartography · Military maps
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