Hi Richard
It is THE material you use on a dob with Teflon as the other sliding
element.
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Phil Chambers [ptchamb@No-Spam] (S.F. Bay Area - Calif. USA)
On Thu, 17 Oct 2002, Richard Crisp wrote:
> Excuse my ignorance but what use is this for astronmers?
>
> Just curious.
> Richard
>
>