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Originally Posted by David
If you can find the work of Prof. Jerzy Piaskowski of Poland, he did some detailed analysis of old keris blades some time back that details this high and low phosphorous content in iron. The pamor patterns in these old blades did not come from nickel content. Not quite sure where you can get a hold of this research currently, but maybe others can help.
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Thanks, David
I found the title of the book "Technology of Early Indonesian Keris : The Results of Metallographic Examinations of Ganja's (upper Part of the Keris) Separately Forged" ... written by him and Alan :grin ...
unfortunately I cannot find the book anywhere ...