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https://archive.ph/Ysnm9 https://archive.ph/Ysnm9 https://web.archive.org/web/20151002030504/https://www.computerhistory.org/timeline/computers/ https://web.archive.org/web/20151002030504/https://www.compu... Recent copy: https://web.archive.org/web/20220417190012/https://www.computerhistory.org/timeline/computers/ https://web.archive.org/web/20220417190012/https://www.compu...