Military sketching and map reading; including panoramic sketching and aerial photography (1921)
Grieves, Loren Chester, 1878- · Washington : United States Infantry Association · leaf 21
. Then suppose that you are at A, and wish to proceedin the direction of B. Simply hold the compass so thatthe needle is at A^, then follow in prolongation of a linedrawn through the pivot of the needle and the 63-degreepoint. The course is kept by an occasional reference tothe compass which is… … Fig. 3 Orientation, Distance, Direction 19 yards, miles, or jmces, and the magetic azimuth betweendesignated points in accordance with instructions givenin this lesson. While this lesson can be conducted very efficiently in-doors, it is best, if practicable, to take the class to somegood viewpoint…
Maps, Military · Military sketching
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Vnderweysung der Messung : mit dem Zirkel vn[d] Richtscheyt in Linien, Ebnen vnnd gantzen Corporen (1525)](https://img.insideoutlibrary.com/img/200/ia-vnderweysungderm00drer-30-53.webp)
