... advert", Your Computer, August 1983, p.86 2. Scott, A., author, The Spectrum Add-on Guide, 1983, p.20 3. "AGF advert", <strong>Sinclair User</strong>, November 1984, p.175 4. "dK'tronics advert", <strong>Sinclair User</strong>, November 1984, p.46 5. "Hardware News", ZX Computing, February/March 1984, p.86 6. Adams, Stephen, "Aiming to speed the response", Sinclair ...
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... O184 for SPECTRUM users - MANCOMP advert", Your Spectrum, June 1985 p.31 4. "The Key to Success! - Stonechip advert", <strong>Sinclair User</strong>, December 1984 p.217 5. "Keyboard has class - Hardware World article", <strong>Sinclair User</strong>, December 1984 p.59 6. "TRANSFORM LTD - advert", <strong>Sinclair User</strong>, November 1984 p.156 7. "Maplin into keyboard act", ...
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... No.1, January 1984, p.15/79 2. "BETTER BEEPING", Your Spectrum, No.7, September 1984, p.5 3. Saga Systems Ltd advert, <strong>Sinclair User</strong>, No.32, November 1984, p.88 4. "Plug-in Sound amplifier", Sinclair Projects, No.1, December 1982/January 1983, p.6 5. "Sound box for Spectrum", Sinclair Projects, No.3, April/May 1983, p.10 6. "More sound ...
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... - The Tower of Power", Your Spectrum, No.3, May 1984, p.34 4. "Persona ZX Your key to the Tower of Power - advert", <strong>Sinclair User</strong>, No.16, July 1983, p.41 5. "Spectrum & ZX81 MUKBUS - advert", <strong>Sinclair User</strong>, No.17, August 1983, p.46 6. "7 Reasons to go Microframe... - advert", Your Spectrum, No.14, May 1985, p.42 7. "ZX-SPECTRUM ...
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... with ZX81. £55.50*15*includes VAT @ 15%, postage and packing. References 1. "Light pen makes menu choice difficult", <strong>Sinclair User</strong>, April 1984, p.30 2. "Striking a light", <strong>Sinclair User</strong>, No. 32, November 1984, p.44 3. "LIGHT READING", Your Spectrum, No. 8, October 1984, p.13 4. "A World or Peripherals for your ZX Spectrum! - advert", ...
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... Z80A MPU which in turn has its own RAM and ROM. £49.9511 12 References 1. "Now make your Spectrum and ZX-81 Talk", <strong>Sinclair User</strong>, November 1984 p.115 2. "MICRO - SPEECH - advert", Your Computer, June 1984 p.210 3. "DATEL ELECTRONICS - advert", Your Computer, June 1984 p.34 4. "ZX Hardware - Speech", ZX Computing, December/January ...
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... ZX Computing, January 1987 p.4 3. "Going for a Song", Sinclair Answers, 1984 Issue No.1 p.26 4. "New ROM antics", <strong>Sinclair User</strong>, May 1984 p.104-105 External Links BBC Tommorow's World excerpt featuring Mensana. Rupert Goodwins Biography at Wikipedia. Article about Mensana at muzines.co.uk. Last revision : ...
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