Post #1569223
2026-04-05 14:46 UTC
RCA published a really nice cutaway drawing with annotations.
Replies (3)
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@tubetime@mastodon.social 2026-04-05 14:47
and here is the Nuvistor, flanked by a "miniature" vacuum tube on the left and a transistor from the same era on the right. RCA's Nuvistor was just a micro-miniaturized vacuum tube they felt could beat the transistor. (it did not.)
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@wikinaut@berlin.social 2026-04-05 14:49
@tubetime https://en.wikipedia.org/wiki/Nuvistor #Servicepost
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@RealGene@hachyderm.io 2026-04-05 17:31
@tubetime I can't imagine what a pain in the ass it was to get a good vacuum in a metal can, not even counting the seal around each pin…