Clive Sinclair, creator of the ZX Spectrum, dies aged 81
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Inside the Sinclair ZX81 - by Paul Lefebvre
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The 40-Year-Old Version: ZX81's sleek plastic case shows no sign of middle-aged spread • The Register
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A Thoroughly Modern Sinclair ZX80 | Hackaday
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Sinclair ZX80 Archives : Day in Tech History
Sinclair ZX80 – Vintage Computer
The 40-Year-Old Version: ZX81's sleek plastic case shows no sign of middle-aged spread • The Register
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A Thoroughly Modern Sinclair ZX80 | Hackaday
Sinclair ZX80 – Vintage Computer
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Sir Clive Sinclair, Inventor Of The ZX Spectrum, Dies Aged 81
Sinclair ZX81: 30 years old • The Register
The Sinclair ZX80 - History-Computer
30 Programs for the Sinclair ZX80 (Retro Reproductions): Reproductions, Retro: 9781789824636: Amazon.com: Books
