1![MrX Sound Board for the ZX81 from Sinclair “Manual for users and programmers” www.eightbits.de MrX Sound Board for the ZX81 from Sinclair “Manual for users and programmers” www.eightbits.de](https://www.pdfsearch.io/img/a9ced2baa14a59e8ff11671f42b33dbc.jpg) | Add to Reading ListSource URL: 8bits.wz.skLanguage: English - Date: 2014-03-05 11:13:13
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2![MrX Sound Board for the ZX81 from Sinclair “Manual for users and programmers” MrX Sound Board for the ZX81 from Sinclair “Manual for users and programmers”](https://www.pdfsearch.io/img/4c1cb99af05215f874f087a8d6fa35bb.jpg) | Add to Reading ListSource URL: www.rwapsoftware.co.ukLanguage: English - Date: 2012-05-24 06:41:05
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3![MrX Sound Board for the ZX81 from Sinclair “Manual for users and programmers” MrX Sound Board for the ZX81 from Sinclair “Manual for users and programmers”](https://www.pdfsearch.io/img/6c2ac9302028a9585453944f6b4b02da.jpg) | Add to Reading ListSource URL: 8bits.wz.skLanguage: English - Date: 2014-03-05 11:10:22
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4![MrX Sound Board for the ZX81 from Sinclair “Manual for users and programmers” MrX Sound Board for the ZX81 from Sinclair “Manual for users and programmers”](https://www.pdfsearch.io/img/97dc8948cada4440b09b26c354f465a9.jpg) | Add to Reading ListSource URL: s504835350.online.deLanguage: English - Date: 2013-12-06 01:36:53
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5![Turbo Sound (revision C) Sound expansion device for computers with Turbo Sound (revision C) Sound expansion device for computers with](https://www.pdfsearch.io/img/4edb24dd65d9c20712c5e8884e0e5e54.jpg) | Add to Reading ListSource URL: www.nedopc.comLanguage: English - Date: 2010-05-25 14:16:47
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6![MrX Sound Board for the ZX81 from Sinclair “Manual for users and programmers” MrX Sound Board for the ZX81 from Sinclair “Manual for users and programmers”](https://www.pdfsearch.io/img/01f43b62c5a5f4e0bcc8af10aa4b91e6.jpg) | Add to Reading ListSource URL: 8ung.atLanguage: English - Date: 2012-05-23 15:32:38
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7![](https://www.pdfsearch.io/img/3908c2770b47d34cd2dce8d6d8d6038f.jpg) | Add to Reading ListSource URL: users.rcn.comLanguage: English - Date: 2000-06-28 23:52:21
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