Oops!!! Adrian, you are absolutely correct! Sorry, no math major! I meant 8 inches in total circumference (meaning literally wrapping my measuring ruler around it). It is only 2.5" tall, if you know what I mean. It's nearly exactly as big as my 2 lb cannonball (a common size for the American 'grasshopper' cannons from the Revolution. Likewise, the 2 pounder balls were used in some swivels). in simpler terms, the size of a small orange or tangerine. Thanks for that correction and I need to go back to shool!
The 12" length is correct, though-