An illustration of a 240 mm Trench Mortar used by the French during World War I, and designed by Dumezil—Batignolles. The mortar had a short barrel firing 192 lb. bombs.

240 mm Trench Mortar

An illustration of a 240 mm Trench Mortar used by the French during World War I, and designed by Dumezil—Batignolles.…