Military sketching and map reading; including panoramic sketching and aerial photography (1921)
Grieves, Loren Chester, 1878- · Washington : United States Infantry Association · leaf 138
s being placed at points on the road tocorrespond with the numbers placed on the sub-sketch.However, if there is no assistant for this purpose, thesketches may be placed on the road sketch paper itself, asillustrated in Fig. 55, lines being drawn to represent theapproximate angle subtended by the…
Maps, Military · Military sketching
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
