Photos: Homebrew CPUs, IBM mainframes, amazing replicas, and more from Vintage Computer Festival West XI

IBM 1130 Mainframe

Carl Claunch restored an IBM 1130 mainframe from about 1965. He also brought his homemade replica 1130. The real one is shown here.

Image: Bill Degnan

By Evan Koblentz

Evan became a technology reporter during the dot-com boom of the late 1990s. He published a book, "Abacus to smartphone: The evolution of mobile and portable computers" in 2015 and is executive director of Vintage Computer Federation, a 501(c)3 non-p...