Fifty Year Old Equatorial Mount Reworked and Restored
18:19
Cómo configurar y usar una montura de telescopio ecuatorial para principiantes:
10:13
I built an Equatorial Mount for astronomy, with two HarmonicDrive gearboxes
17:56
53 Hours on WR134 with the StellaMira 90mm refractor.
37:15
PLC Troubleshooting 101. Basic Steps to Diagnose and Fix Your Machine
13:22
Should You Get an Old Telescope? Watch My Recent Experience!
8:10
How to Clean a Vintage Lens with a Huge Fungus Infection
22:23
Fall Through Earth's Center
28:54