Roman army of the mid-Republic x 700m = ca. 50 hectares). Along the perimeter, a ditch ("fossa") would be excavated, and the spoil used to build an earthen rampart ("agger") on the inside of the ditch. On top of the rampart was erected a palisade ("vallum") of cross-hatched wooden stakes with sharpened points. Within this precinct, a standard, elaborate plan was used to allocate space, in a pre-set pattern, for the tents of each of the various components of the army: officers, legionary infantry (split into "hastati", "principes" and "triarii") and legionary cavalry, Italian allied infantry and cavalry, "extraordinarii" and non-Italian allies. The idea was
Type 9 wooden anti-tank mine firing it, triggering a detonator charge, followed by the main charge. Used primarily at junctions and road-blocks, because of the width of coverage it provided, the mine sensitivity could be adjusted between approximately 20 pounds of triggering pressure to 500 pounds by inserting small wooden blocks under the rim of the lid. Type 9 wooden anti-tank mine The Type 9 wooden anti-tank mine was an Italian bar type anti-tank mine used during World War II in North Africa. The box consisted of a lower section, containing the large warhead and fuzes and an upper, overlapping lid with two pivoting wooden