This is a mechanical TV built inside a Nipkow Drum. It has a resolution of 4096 x 20 pixels, so it could accurately be described as 4K or 20p depending on your outlook. You can build it yourself using the files at https://github.com/AncientJames/Scanwheel/ 00:00 Layout 01:03 Soldering 03:38 The Case 04:20 Assembly 05:54 The Drum 07:00 Show Reel