[COFF] Typical Fate of Older Hardware

[steve jenkin]

Or cyanide :(

Used to reprocess ‘mullock’ heaps left after mercury extraction.
	<https://en.wikipedia.org/wiki/Gold_cyanidation>

> On 1 Aug 2023, at 07:20, Paul Winalski <paul.winalski at gmail.com> wrote:
> 
> One other interesting property of gold is that it dissolves in liquid
> mercury. 

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