IBM vacuum tubes

Fred Cisin cisin at
Mon Jun 22 11:38:48 CDT 2020

>> EIA codes were used for non-tube electronic parrots.

On Mon, 22 Jun 2020, Nigel Johnson via cctalk wrote:
> An electronic parrot in the vacuum tube days? -- must have been very large!

E's not dead!  Just slip a new valve in.

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