How to build a Dobsonian telescope (Part Three)
1:28:31
Telescope Building with John Dobson
46:20
12.5" Dobsonian Telescope Build
54:58
unexpected guess while sawing a giant teak log worth hundreds of millions of dollars Amerika
12:31
Trump’s Plan to Save Hollywood, Biden’s Farewell & We Say Toodle-oo to TikTok
8:14
Astrophotography with a DOBSONIAN TELESCOPE!
53:19
Mit meinen Schlittenhunden durch Alaska | ARTE Family
39:34
Making a telescope
25:11