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Question about old pour silver bars.
PerryHall
Posts: 45,444 ✭✭✭✭✭
I have a few old pour silver bars that have an unusual pattern of ripples and ridges. Does this pattern have a name or terminology? Thanks.
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cooling lines or cooling marks...
So, they form as the silver cools. Thanks. I read somewhere that they are most prominent when the mold is cold so this makes sense.
Worry is the interest you pay on a debt you may not owe.