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Re: [ATM] Ronchi rulings

On Tue September 13 2005 2:08 pm, Rick M wrote:
>    Can someone please tell me where I can purchase a
> ronchi ruling or screen

I believe Willmann-Bell http://www.willbell.com/ sells them. You can also make 
your own several ways.

http://astro.umsystem.edu/atm/ARCHIVES/JUN97/msg00266.html
http://www.geocities.com/CapeCanaveral/9601/ronchi.htm

clear skies
-- 
Michael Lindner
http://www.starastronomy.org *** http://home.att.net/~mikel
http://www.atmsite.org *** http://www.atmlist.net
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