This pack has 6 textures for this industrial age artillery unit.
The textures are inspired on the caliber of the bullets, but they can work for any civ... well, some, on the case of Armstrong gun and the Great Cannon are for Americans (maybe on civil war, or during the shogun fall or maybe for early combats on ww1) and Ottoman Empire or any middle east faction like indians. The others are more generic but they can work too.
I incluyed the sounds files I am for my own.
The installation instructions are inside of the pack.