- Inside the vintage Xerox Alto’s display, a tiny lightbulb keeps it working (righto.com)
In this Alto restoration episode, we repaired a second CRT display, exercising our TV repair skills and discovering a tiny mysterious lightbulb that caused the display to fail in a strange way. For those just tuning in, the Alto was a revolutionary computer designed at Xerox PARC in 1973 to investigate personal computing. It introduced the GUI, high-resolution bitmapped displays, WYSIWYG editors, Ethernet and laser printers to the world, among other things.