It occurred to me that while I have gone to great detail to try to pinpoint the exact timing of each change in the 4001’s transition from “vintage” to “modern” specs from 1968-1974, I’d never even really considered the 4000’s transition.
4000 Transition Timeline
It occurred to me that while I have gone to great detail to try to pinpoint the exact timing of each change in the 4001’s transition from “vintage” to “modern” specs from 1968-1974, I’d never even really considered the 4000’s transition.