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Re: [ATM] secondary support holes


Quoting brianb@u.washington.edu:

>
>
>
> How can one find the locations for the four sets of bolt holes for 
> secondary mirror vanes on a tube? (Spaced at 90 degrees apart?)
> Thanks

Wrap a piece of paper around the tube and mark the overlap.   Then fold 
that in
half twice.

Ken

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