From 1930/40s we suppose. Almost all in pear shape? One of the two lots from our old collection. Difficult to see in lot like this and in such condition after so long. If one or two are missing we will include some other Marconi of similar era. The item “Lot Of Vintage Antique Old Radio Valve Tube From Early UK British Marconi Era” is in sale since Monday, November 16, 2015. This item is in the category “Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Parts & Accessories\Vintage Tubes & Tube Sockets”. The seller is “2a3″ and is located in Artesia, California. This item can be shipped worldwide.
- Type: Vacuum Tube