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If you’ve ever fired a potato cannon, you’ll know that they are ... artillery rounds for their Potowitzer’s manual breech-loading mechanism. Foregoing the inconsistency of potatoes, they ...

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.

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Mr. Eastman's six breech-loading cannon, recently imported from America, were tried on the Arsenal Wharf, Woolwich, under the supervision of Lieutenant-colonel Wilmot, superintendent of government ...