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		#7 | 
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			Join Date: Oct 2007 
				
				
				
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			Hi Glen, 
		
		
		
			The '51' and '42' nomenclature is, as you know, rather ad hoc anyway and can be variable user to user. Thanks for the Swedish Museum website, not one I'd looked at before. To keep on the path of the Danes here is an entry from 'Lyles' 1982. My Regards, Norman.  | 
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