If you're enjoying this article, consider supporting our award-winning journalism by subscribing. By purchasing a subscription you are helping to ensure the future of impactful stories about the ...

This early 16th century cast iron, breech-loading cannon is the only one of its kind in Wales. It is designed to be carried on a ship of war and fired through a gun port on the side of the hull.

It will be recollected by most of our readers that Congress, at the last session, made an appropriation of $25,000 for the purpose of altering the government muzzle-loading firearms to breech ...