rapid-firer

Germans succeeded in training their rapid-firer, and it crashed out a moment later.

The Boy Allies with the Victorious Fleets Or, the Fall of the German Navy

Lord Hastings 'force was in the line of fire and to have opened up with the rapid-firer would have annihilated the allies as well as the Germans.

The Boy Allies with Uncle Sam's Cruisers

He was out of the direct line of fire, but still in such position to make his demand for the surrender of the Germans without allowing them to pass the sweep of the rapid-firer.

The Boy Allies at Verdun Or, Saving France from the Enemy