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Treasure Hunting
Finds Identification and Valuation
Is it a coin?
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<blockquote data-quote="TTKooAu" data-source="post: 437802" data-attributes="member: 1600"><p>A question for the educated.</p><p>Majority of online info suggests the coin connects to the negative. Also suggests that in the absence of a multimeter, when the alligator clips are immersed in the solution, the negative should fizz. Well I get what I would call "fizzing" from one clip, and larger bubbling from the other clip. Is this bubbling normal for the positive?</p><p>I tried the coin on both clips. One way produces a blue deposit on the "coin", the other way makes the solution go dirty fairly rapidly.</p><p>I am using a hardened steel allen key as the sacrificial anode.</p><p>Any suggestions / comments before I go too far and "steel plate" the coin?</p></blockquote><p></p>
[QUOTE="TTKooAu, post: 437802, member: 1600"] A question for the educated. Majority of online info suggests the coin connects to the negative. Also suggests that in the absence of a multimeter, when the alligator clips are immersed in the solution, the negative should fizz. Well I get what I would call "fizzing" from one clip, and larger bubbling from the other clip. Is this bubbling normal for the positive? I tried the coin on both clips. One way produces a blue deposit on the "coin", the other way makes the solution go dirty fairly rapidly. I am using a hardened steel allen key as the sacrificial anode. Any suggestions / comments before I go too far and "steel plate" the coin? [/QUOTE]
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Treasure Hunting
Finds Identification and Valuation
Is it a coin?
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