type of computer
Vacuum tube computer: Homemade computer works without microchips - | Golem.de: A hobbyist builds a wall-mounted 8-bit computer from 460 Soviet vacuum tubes that ...
golem.de/news/roehrencomputer-eigenbau-rechner-arbeitet-ohne-mikrochips-2609-212967.html
A tinkerer built an 8-bit computer from 460 vacuum tubes that runs software but needs a stepladder for repairs
techspot.com/news/113816-tinkerer-built-8-bit-computer-460-vacuum-tubes.html