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Treasure Hunting
Finds Identification and Valuation
Copper sheathing? Approximate age?
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<blockquote data-quote="grubstake" data-source="post: 605068" data-attributes="member: 4012"><p>I have an idea that square-shanked nails were (are?) used for boats because anything floating on the sea is subject to twisting movement from constant wave action and whereas ordinary round-shanked nails can in time loosen and even begin to rotate, square-shanks withstand the unceasing motion much better.</p></blockquote><p></p>
[QUOTE="grubstake, post: 605068, member: 4012"] I have an idea that square-shanked nails were (are?) used for boats because anything floating on the sea is subject to twisting movement from constant wave action and whereas ordinary round-shanked nails can in time loosen and even begin to rotate, square-shanks withstand the unceasing motion much better. [/QUOTE]
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Treasure Hunting
Finds Identification and Valuation
Copper sheathing? Approximate age?
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