
The effect is a nerve shock something seems to break in the brain, in the words of the ‘men who have come back,’ and they suffer a loss of self-control.

Thus dud-shells (i.e., those that do not explode at all) will nevertheless cause concussion. A small shell falling close to a man will have a similar effect, even if it does not explode. Should it, however, burst too near you, you don’t see the cloudy effects.”Ĭoncussion: “The passage of big shells displaces air so suddenly that a man within range will be knocked to the ground by the rush of air. Coal Box: “A Hun high explosive shell similar to the ‘Jack Johnson’ which on bursting makes a terrific noise and eliminates a heavy black cloud of gas.
