It is worth noting that mercury poisoning is treatable and in most cases
totally reversible.
A diagnosis of mercury poisoning would be a diagnosis for a temporary
condition, not permanent.
-Dan
On Thu, 9 Feb 2012, Lucky wrote:
On my of my visits to Western Australia I went to a place called
'Paynes Find' owned by a then 62 year old woman. There she operates
'paynes find gold battery' the only battery in WA. Starting from her
grandfather she owns and operates a 100 year old machine that crushes
gold ore by battering them with huge logs acting as hammers connected
to a belt driven wooden cam. The crushed ore slurry is then poured
over a large mercury-wetted copper plate sluice gold particles bond
with the mercury and become an amalgam. The mercury is constantly
scrapped off/renewed from the copper plate and then BOILED off to
extract the fine gold particles and the mercury condensed and reused.
The only heath and safety equipment being a pair of gloves to handle
the hot containers! No sealed containers, no 'safe room' all just done
in a tin building/open air, just kettles and glass containers! I asked
Mrs Taylor if she thought about the safety concerns her reply was
alone the lines of 'Mercury, pah! Her, her grandfather, her father
and all their siblings had done this since 1939 and all lived a
healthy long life!' Not a care in the world, she still daily climbs
down rope ladders, sets dynamite, blasts and extracts gold ore herself
as well as crushing for any prospectors who arrive. She also always
takes a bucket with her when taking her dogs for a walk as she
generally find a few gold bearing rocks 'laying around' the bush!
I have just read (see link) that she has recently sold her gold-mining
tenements to the tune of AU$3 million + shares and options, not a bad
retirement fund at 67 I guess, the battery is now a museum.
http://www.theaustralian.com.au/news/nation/west-australian-familys-goldmining-tenements-are-worth-a-fortune/story-e6frg6nf-1225939384607
Some good pictures in the slide show
There's a class action law suit being launched in the USA (where
else!) claiming injury due to the mercury in tubes/valves,
specifically rectifiers. Several "surplus"-type suppliers are
mentioned.
No-one has raised the spectre of nixies, most of which contain
mercury. Just some joyous thing for those of you who sell them
commercially to be aware of!
"http://www.cascadesurplus.com/lawsuit/
A number of popular suppliers are named in the lawsuit, including
Antique Electronic Supply, Allied Electronics, Angela Instruments, MCM
Electronics, VacuumTubes.com, Surplus Sales of Nebraska, and Triode
Electronics, to name a few. Ebay had also been named a defendant, but
they successfully moved to get dropped from the case because they do
not manufacture vacuum tubes."
Nick
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