Experimental cartridge from around 1910 in order to produce a cartridge that would give a continuous 1,000 yard danger space (not rising above the height of a man standing on level ground)
28 1,000-Yard DANGER SPACE
Experimental cartridge from around 1910 in order to produce a cartridge that would give a continuous 1,000 yard danger space (not rising above the height of a man standing on level ground)