"Tor Olav Kristensen" <tor### [at] onlineno> wrote in message
news:3C54A942.617AD2B5@online.no...
[snip]
> Attached are two images that shows
> the defect in the shape.
>
> I find the "tongue" that appears in the _s2
> image quite mysterious.
>
>
> Tor Olav

Perhaps this defect is only on the inner surfaces so the upper pole
looks OK from outside?

Alf

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