The BL 12 inch Gun Mark X was a British 45-calibres naval gun which was mounted as primary armament on battleships and battlecruisers from 1906. It first appeared on the revolutionary HMS Dreadnought.
The BL 12 inch Gun Mark X was a British 45-calibres naval gun which was mounted as primary armament on battleships and battlecruisers from 1906. It first appeared on the revolutionary HMS Dreadnought.
The BL 12 inch Gun Mark X was a British 45-calibres naval gun which was mounted as primary armament on battleships and battlecruisers from 1906. It first appeared on the revolutionary HMS Dreadnought.