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[ATM] Re: ATM Building Plans for a super-cheap educational scope



Torquil,

John Dobson's classical "circus cannon" design was
make for just your purpose.  It is still the cheapest
way to put aperture under the sky.  Ray Cash has a
great version of Dobson's plans online at
http://members.aol.com/sfsidewalk/cdobplans.htm

Ross

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