Military Conventional Signs
Description: Amendment to accompany "Pamphlet No. 3, 1939'. Features a detailed key of the symbols to use on maps, sketches, and annotated photographs - to show the locations of observation posts, trenches, craters, obstacles, bridges, mines, headquarters, and so forth.
Collection: DOCUMENTARY HERITAGEDescription: Amendment to accompany "Pamphlet No. 3, 1939'. Features a detailed key of the symbols to use on maps, sketches, and annotated photographs - to show the locations of…