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|  27th June 2007, 12:01 AM | #2 | 
| Member Join Date: Dec 2004 Location: Greensboro, NC 
					Posts: 1,093
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			Alex, I have a number of examples in my collection where there is evidence of heat treating, most evidently in the differing coloration in these zones. I imagine if we had more blades in new polish you would find a larger number of wootz blades with this feature. They were intended, after all, for use and a heat treated edge provided a harder edge. | 
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