How to Aluminize Telescope Mirrors
21:31
How to Make a Pitch lap and Polish a telescope mirror!
30:43
Making a monolithic telescope Part 3: Figuring & Testing
43:38
Telescope Optics Testing
37:46
Телескопы с ЖИДКИМ зеркалом | Прошлое, настоящее и будущее
13:07
Coating and handling operation of an 8 meter telescope mirror at Paranal Observatory in Chile
30:30
50-inch Telescope Installation
1:10:16
Casting a light weight telescope mirror (all steps in the process)
30:57