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Re: [ATM] fans

Hmmm, bring to thought pulled mirrors. How about a vacuume pulled Mak
corrector?
Has all sorts of possibilities....    :^)
Could be a bit of a bugger keeping the focuser from being sucked in
unless you had a window, maybe it could serve as a field flattener with
the deformation (VBG).

George Anderson
Montreal Canada

Clear skies and good health

Ken Lowther wrote:
> 
> Well, others, including myself have.  Problem is sealing up the tube.
> Not nearly as easy as you may think.
> 
> :(
> 
> Ken
>
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