Old Tubes

The 71A output triode was popular in the 20's

The UV199 was available with a regular plug-in base, or with a bayonet base with short pins.

You don't get to see craftsmanship like this on an IC. This is a closeup of a UY227, the first popular indirectly heated triode.

Real radios glow in the dark. This is a closeup of a 380 rectifier tube.

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