Memory Tech you don't see very often

Eric Smith spacewar at
Thu Jan 6 20:10:16 CST 2022

On Thu, Jan 6, 2022, 08:45 Mike Katz via cctalk <cctalk at>

> There was also a 1K by 4 version of this tube.

I've never seen any info on a 1K*4 Selectron, but they weren't even able to
make the 4K*1 work, and the only production tubes were 256*1.

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