> As far as using coins to make cs, they are difficult to mount, > soldering may increase the risk of contaminating the cs with lead or > copper, it is difficult to get uniform current on both sides of the > coin so you lose effective wetted area, and they are quite small. An alligator clip grasps my inch and a half diameter, 1/8" thick .999 silver coin firmly at its edge, allowing maximum wetted area. jr
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