This is fascinating. I knew different materials would put off different colors, but the *pattern* guide is rather amazing.
Bonecrusher :: knives.pl - ostra dyskusja
heating metal over time visual - Google-søk
Grinding jigs to hold blade banks so bevels can be ground on to a new blade
DIY knife grinding jig - made from hinges, steel plate, and threaded rod. Source: http://www.britishblades.com/forums/showthread.php?35912-Blade-Grinding-(My-way)-lot%92s-of-Pic%92s&s=01086819f84978b70408cd2d0f1583f6&p=547125