Quote:
Originally Posted by Jens Nordlunde
Thank you Marius, and Ariel for mentioning Nital.
I have never used Nital, but I will try it - using a 3-4% solution.
Marius, I think you are right, that the different results on the same blade must be due to different heating origianlly.
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Glad to be of help!
Not necessarily due to the ORIGINAL heat treatment but also to the subsequent heat treatments (for example a blade could get bent, and then was heated up locally to be straightened; or a blade could have been dropped into a fire... throughout its multi-centenary history).
And please let me know if you find a source of Nital in Europe as I normally get mine from the US.