Here the reintroduction of the mortar stands as the supreme example. A portable tube which fired bombs and mines at high angles over short ranges, it was ideally suited to the tactical conditions of trench warfare. But, just as importantly, it and its projectiles were sufficiently simple to enable firms without weapons expertise to make them. In August 1914 the German army possessed 180 Minen-werfern of all calibres; by January 1918 it had taken receipt of 16,127. The British adopted the Stokes mortar in 1915, and 11,421 were manufactured in the war.
