[Milsurplus] Crystal History Book and tips on etching

[hwhall at compuserve.com]

>I HAVE found that when activity of an etched crystal drops, that activity can be restored about
50% of the time by grinding all 4 edges, then recleaning.>
Do you bevel the edges & if so, do you bevel on just one face or both?
WayneWB4OGM
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