S2 E8 - 40 YEARS since the Sinclair ZX81 (and how it indirectly helped give us the M1) | The Constant Geekery Podcast | Podcasts on Audible | Audible.com
The Sinclair Zx81: Hurley, Randle: 9780830605231: Amazon.com: Books
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Sinclair ZX81: 30 years old • The Register
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