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Old 18th February 2012, 09:32 PM   #29
Norman McCormick
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Join Date: Oct 2007
Posts: 1,210

Hi David,
Not mine I'm afraid, old auction catalogue but I thought they would be of interest. The male part of the joint looks to have a sprung retaining piece so that it locks into the other so might not be such a weak joint as first appears.
My Regards,
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