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An 8-tube module from a 1954 IBM 705 mainframe: it's a key debouncer

IBM's vacuum tube computers of the 1950s were built from pluggable modules, each holding eight tubes and the associated components. I recent...
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Hardware & ElectronicsHistory & Retro Computing2018

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Jan 7, 2018An 8-tube module from a 1954 IBM 705 mainframe: it's a key debouncer by fanf213756

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