THe Hot Cat X working above the melting temperature of nickel has inner contact with molten metal. I think good replication could be done with using outer molten metal baths
http://egooutpeters.blogspot.ro/2015/08/molten-metal-gradient-bath-no-more.html I am sad that I cannot test this idea myself. Even my access to our kitchen is limited to dish-washing. Peter -- Dr. Peter Gluck Cluj, Romania http://egooutpeters.blogspot.com
