Military sketching and map reading; including panoramic sketching and aerial photography (1921)
Grieves, Loren Chester, 1878- · Washington : United States Infantry Association · leaf 73
o the board may be easily detached from thetripod when it becomes necessary to read angles of slopefrom the attachment on the board. As stated heretofore,the tripod is of assistance to the beginner, although notreally necessary, but is usually discarded by the experi-enced sketcher as being too… … Fig.b
Maps, Military · Military sketching
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