Re: [ATM] Pitch Substitute for very fast mirrors

[hermit <hermit@outofoptions.org>]

Mel Bartels wrote:
>> Last I knew, they were still finishing up all of those BIG mirrors using
>> pitch.  But, that does not mean this will not work for you.
>>     
>
>
> I don't recall all the references, but over the years, I've read snippets of
> experiments on polishing from the early days, particularly in the 1800s, on
> a variety of materials (felts, papers (not today's paper product), et al).
> Absolutely fascinating.
>
>   
Howard mentions these, kind of in passing though.

Ken Lowther
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