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|  2nd March 2025, 12:50 AM | #4 | 
| Member Join Date: Dec 2004 Location: NC, U.S.A. 
					Posts: 2,204
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			Ed brought up a good point indeed. Many so-called 'cannon balls' are actually mill balls used in tumblers to crush rocks into gravel. Then again, there are other suspects, like counter-weights, shot-puts, flag staff ends, iron rail ends, etc.
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