This is the "Wikipedia" of vintage electronics. It contains an exhaustive database of tube types, schematics, and photos of thousands of radio and TV models.
If you are working on vintage TV sets, remember that they carry (often 10,000V to 30,000V) even when unplugged. Always use an isolation transformer and learn how to properly discharge a CRT before touching any internal components. free tranny tv tube best
: On the final day of estate sales, items that haven't sold (like bulky old TVs) are often marked as "free" just to clear the house. Identifying the "Best" Vintage Sets This is the "Wikipedia" of vintage electronics