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Todays find

1912 Liberty Quarter found in a well hunted swimming area. Any advice on cleaning? I don't like to use electrolysis on silver.
 
From the land of the Bluenose...heres what works for this bouy....glass pie plate lined with tinfoil...pour in baking soda and over that boiling water....leave overnight and repeat if necessary...fold excess tin foil back down over coins....DO NOT MIX>>>IE COPPPERS GOLD ETC...good luck!
 
[attachment 27010 2006_0514Image0016.JPG]

I made a home electrolysis machine from ann old AC adapter & after about 5 seconds it wiped clean!!! Here is the result.
 
Hi Camman: You built an electrolysis machine from an old air conditioner? I wish I had your mechanical genious, McGyver!
That coin came out really great! Good thing you pulled it out before it became completely vaporized! Perhaps you should post the instructions for building one of your electrolyzers. It's always good to have a heavy duty electrolysis machine for those really tough coins! Nice work... Kevin in Ipswich, MA
 
He means A/C adapter, as in wall wart, etc.. Those rigs are
super simple to set up. I had all the parts here at the house.
All you need is a jar, an old wall wart or transformer. Voltage
is not critical, but 9v and 12 v seem pretty common. I have one
28 volt tranny I could use, but the 12v seemed to do the job.
Then you need a sacrificial metal to be used. Many use a stainless
spoon or knife, etc to start out. You could use stainless bolts
if you don't want to earn the wives wrath by stripping the stainless
from her silverware. It will ruin them... I use copper tube for
zapping pennies. You need alligater clips on the ends of the two wires
coming from the wall wart. You can get those at radio shack, or
wherever..
Fill the jar about 3/4 with water. Then add a couple of tablespoons
of salt. You can also use lemon juice, etc, just as long as it
increases the conductivity of the water. I use salt most the time.
The more salt, the more current, faster the zap.
Mix well.
Clip the red or positive clip to the stainless metal.
Clip the negative to the coin, or whatever being zapped.
BTW, don't let the coin and stainless metal
touch while in the water. Rig the clips to hold them apart
so they don't touch.
Plug in the wall wart, and look for the coin to start to
fizzle. It will if the polarity is correct. If the stainless
fizzles, instead of the coin, reverse the connections. They
are backwards. Zap for a few minutes, and take it out and clean
it. If it needs more, zap again until clean.
Always watch the temperature of the wall wart. If it starts to
get hot to the touch, unplug it and let it cool a while.
Never, ever do this unattended. If the salt mix is strong,
quite a bit of current can flow, and it's possible to overheat
the wall wart. Could even start a fire in a worse case scenario.
But with normal attended use, it's perfectly safe. Just place
your hand on the wall wart every once in a while, and unplug
when it really feels pretty hot. I have several of them of
the same type, and can switch trannies, and zap nearly non
stop if needed. It's fun to zap really nasty dirty coins.
You can actually watch the dirt and corrosion flake off the coins
and fall down to the bottom of the jar. You will see lots of
nasty stuff form at the top of the water. Dirt off the coin...
Also you will see the flow of the sacrificial metal towards the
coin. It will build up like some green algi or whatever.
BTW, on some really dirty coins, you need to make sure you
are actually making a good connection with the clip.. If no
fizzle, reclamp it to a better spot. Once it gets a connection,
it will slowly start to fizzle, and then get faster and faster
as the coin cleans and more area is adding to the connection
via the salt water.
MK
 
Hey Uncle Willy,
How are you, today?
I tried so TarnX of some clads and I now have some really pretty copper dimes, however it works well on silver.
Thanks for the advice.
Your Friend,
John D.
 
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