When i was trying to look up some photos of VR-27 radio set, i found this i had not seen before. History of German WWI – WWII aircraft
avionics. Maybe this has already been posted, but…
https://www.youtube.com/watch?v=-6At9d99mt0
This fellow who owns the displays, he must have unlimited time and money. Kind of more than astonishing that he found all the components
of these systems, that so many pieces actually survived.
-Hue Miller