Enigmas and code: Silicon Valley's computer history curator shares his favourite displays

The Computer History Museum in Mountain View, US the world's largest collection of computing artefacts from the Apple I computer to the Enigma code machine from World War II. — Dreamstime/TNS

It's been called the geek's Valhalla.

The Computer History Museum in Mountain View the world's largest collection of computing artefact, boasts such innovations as ENIAC, the electronic whiz; the speedy Cray-1 supercomputer; the portable but heavy Osborne; the legendary Apple I personal computer; and Enigma, the historically significant World War II machine used to encrypt Axis troop movements.