DiscoverScience on Player FMA bronze cannon recently recovered by researchers in Arizona appears to be the oldest known firearm ever found in the continental United States. - Popular Science from NFB-NEWSLINE.
A bronze cannon recently recovered by researchers in Arizona appears to be the   oldest known firearm  ever found in the continental United States. - Popular Science from NFB-NEWSLINE.

A bronze cannon recently recovered by researchers in Arizona appears to be the oldest known firearm ever found in the continental United States. - Popular Science from NFB-NEWSLINE.

Update: 2024-11-26
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A bronze cannon recently recovered by researchers in Arizona appears to be the oldest known firearm ever found in the continental United States.
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A bronze cannon recently recovered by researchers in Arizona appears to be the   oldest known firearm  ever found in the continental United States. - Popular Science from NFB-NEWSLINE.

A bronze cannon recently recovered by researchers in Arizona appears to be the oldest known firearm ever found in the continental United States. - Popular Science from NFB-NEWSLINE.