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Computer Museum at the University of Waterloo : physical object : IBM 704 vacuum tube module (with Mechanical Relay) [2010.1.13]
ThinkGeek - Today in Geek History: RIP Vacuum tubes! IBM created the first calculating machine with solid-state transistors in 1954. | Facebook
Ken Shirriff on X: "@RedThunderAudio I'm ready to go back to vacuum tube computers. Or electromechanical accounting machines if tubes are out too. Photo: an 8-tube module that we powered up. This
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IBM's 603 Electronic Multiplier, the First Complete Machine to Perform Arithmetic Electronically : History of Information
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IBM 25L6GT Vacuum Tube New Old Stock Original Box International Business Machines GE General Electric - Etsy
![Tube Time on X: "oh look, it's a vacuum tube module from a 1950's IBM computer! https://t.co/ZcVg33dOCh" / X Tube Time on X: "oh look, it's a vacuum tube module from a 1950's IBM computer! https://t.co/ZcVg33dOCh" / X](https://pbs.twimg.com/media/DbrVtfFVAAEXEEy.jpg)