Michael Plant > wrote in
:

<snip>
> The theory here is that any non-reactive material that keeps air out is
> good. Metal lining is therefore better than plastic, which is far more
> permeable. I try to use ceramic, but mostly because I find it more
> aesthetically pleasing, and it serves admirably.
>
> Michael

I see -- then glass, tightly sealed, would do also -- unless it must
ideally keep light out as well...

Ozzy