Show miniature cannons save big shell expense S aff A irv no 3 1 awk how dow to give practical instruction to artillery officers without incurring the enormous expense of filing big shells has apparently been solved by united states army officials these miniature cannons whose range and sight accuracy are scaled down to one hundredth part ot of the big french Ms allow the same mathematical calculation and target score core as their bl big brothers the cost ot of firing them Is practically negligible as 22 blanks are used to project a steel bullet at the target the steel projectile c can an lie be used over and over major general bishop chief of field artillery worked out the original model |