TELESCOPE MIRROR MAKING HOW TO PART 1: Rough Grinding
15:15
TELESCOPE MIRROR MAKING HOW TO: Fine Grinding
21:31
How to Make a Pitch lap and Polish a telescope mirror!
23:04
I Built a $20 Telescope and Used it for Astrophotography
11:24
Preparing to Grind a 22" f/4.0 Telescope Mirror
17:00
How to Make a Telescope - 8 Inch Newtonian Reflector (Part 1)
10:59
Grinding a 25-Inch F3 Telescope Mirror: Thinning and Flattening the Back
1:28:31
Telescope Building with John Dobson
19:42