| Show-me |
| (newbie) |
| 07/03/08 12:59 PM |
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Re: home made collimating sight tube
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Adam Perkins site has very good instructions, unfortunately no pics:
http://www.starastronomy.org/TelescopeMaking/perkins.html
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Adam Perkins site has very good instructions, unfortunately no pics: http://www.starastronomy.org/TelescopeMaking/perkins.html |