https://tube.loping.net/videos/watch/6c6ab432-66b7-47ed-afc0-3f13c7b60f2b Correction: 5:31 - I messed up the visuals with this one here. Viewer and friend of the channel Andy wrote in to remind me that this wasn’t the Transistron but instead two Westector diodes back to back. This wasn’t European in origin - though pretty fascinating anyway. If you want to see the historical image of the Transistron (which costs money to license) go here https://www.bridgemanimages.com/en/noartistknown/french-minister-eugene-thomas-presenting-the-transistron-paris-may-19-1949-b-w-photo/black-and-white-photograph/asset/2647424 Links: The Asianometry Newsletter: https://asianometry.com, Patreon: https://www.patreon.com/Asianometry, Twitter: https://twitter.com/asianometry Sun, 12 Jul 2026 13:19:54 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://tube.loping.net https://tube.loping.net/lazy-static/avatars/8a56e488-2120-4649-a417-badf5893657b.png https://tube.loping.net/videos/watch/6c6ab432-66b7-47ed-afc0-3f13c7b60f2b All rights reserved, unless otherwise specified in the terms specified at https://tube.loping.net/about and potential licenses granted by each content's rightholder.