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Telescope Building with John Dobson

Dobson Astro-Initiatives
11.2K subscribers
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1.6M views 10 years ago
Step-by-step making of A Dobsonian telescope. ...more
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Telescope Building with John Dobson
22KLikes
1,605,661Views
2014Dec 9
Step-by-step making of A Dobsonian telescope.

Dobson Astro-Initiatives

11.2K subscribers