Building a 16" F4.6 Dobsonian Telescope
1:28:31
Telescope Building with John Dobson
20:29
A "Classic" Big Dobsonian - The 20" Obsession Telescope - Go Big or Go Home!
16:44
Aufbau des 28 Zoll Dobson / assembly of the 28" dobsonian telescope
21:01
Watch Trudeau speak directly to Trump during blistering speech
15:35
StellaLyra Dobsonian Telescope Setup & Complete Overview: Step-by-Step Guide
16:59
Motores antigos raros dando partida com som que vai explodir seus ouvidos ▶3
46:20
12.5" Dobsonian Telescope Build
17:44