[modeleng] Re: Sale of Deceased ME's workshop

Hi Tim will do
 Kenny
Skye



> Some of the longer in the tooth may remember me. Some of you may also
> remember Dick Clements who died of cancer about 4 years ago.
>
> His widow is planning to move to a smaller house and has asked me to 
> dispose
> of his workshop for her. I don't want to see it go too cheaply. Dick 
> didn't
> have nasty stuff so far as I know. I shall be selling it on ebay in lots
> over the next couple of weeks. Please look out for it and make some decent
> bids for some decent kit.
>
> My ebay user name is plmokn321.
>
> I shall also be selling some of my own stuff. I will identify which is
> Dick's although feel free to pay excessive prices for mine too.
>
>
> Oh and displacement reactions. You can plate a less reactive metal onto a
> more reactive but not the other way round. So stick a bit of copper wire 
> in
> some silver nitrate solution and it'll get silver plated. Put some copper
> wire in some iron sulphate solution and it won't.
>
> You can find which is more reactive by looking up something called 
> standard
> electrode potential or redox potential. You need a decent gap between the
> two to make the reaction work well.
>
> I don't have the redox potential for Ni -> Ni2+ but I'd be a bit surprised
> if you could plate iron onto nickel or vice versa very well.
>
> An old boy I knew used to swear by copper sulphate for marking out steel.
> Blue vitriol I think he called it. He'd degrease the steel pretty well and
> then paint it over with copper sulphate. The copper would plate out and 
> he'd
> then mark out on the plating when it was dry. I reckon a big fat marker 
> pen
> is a better way.
>
> And horologists silver plate brass clock dials using a displacement
> reaction. The silver plate sticks really welll and can last years.
>
> Cheers
>
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