Making a 33 cm f/4.8 mirror on the Mirror-o-Matic 6: polishing the surface with a pitch lap
0:56
Making a 33 cm f4.8 mirror on the Mirror-o-Matic 7: testing for astigmatism with Bath interferometer
5:33
Hogging out a flat surface blank for a 40 cm f/4.5 mirror on the Mirror-o-Matic
8:16
шпиндель с автосменой bt30 нарезание внутренней резьбы м12 по каленной стали
30:47
12 inch f4.9 Telescope Mirror Part 4
59:20
Top 5 Huge Scale!Metal Melting Scrap & Recycling And Manufacturing Process & Mass Production Factory
7:20
Csillagászati távcső 71 cm-es főtükör csiszolás.
13:20
Making a 33 cm f4.8 mirror on the Mirror-o-Matic 9: Parabolizing 2: Parabolizing
9:39