On Mon, 18 Nov 2019 at 15:19, Gene Heskett <[email protected]> wrote:
> Google found me a howto for the anneal, mix a coating of boric acid > powder and alky, paint it on and dry, bring to a bright red heat and > quench in water. Like brass only 600F hotter. Sounds doable with a > propane torch in out of the wind. I don't think there is any need for the boric acid with gold. It is quite famously inert. > > But, then, I doubt that a jeweller would charge much for the service. My sister says that she charges £25 to shrink a wedding ring. -- atp "A motorcycle is a bicycle with a pandemonium attachment and is designed for the especial use of mechanical geniuses, daredevils and lunatics." — George Fitch, Atlanta Constitution Newspaper, 1912 _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
