Interesting. What's India Ink made of?
Toby
--- "Dr. Gerald N. Johnson, electrical engineer"
<[EMAIL PROTECTED]> wrote:
> The January issue of NASA Tech Briefs reported that
> when they used india
> ink for the final polish on aluminum mirrors for
> astronomy and
> scientific purposes, the quality was better than any
> other known
> polishing media.
>
> Gerald J.
>
>
>
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