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'''MARCUS by Marconi''' is a trackball for the [[Amstrad CPC]]
Also known as Marconi RB2, see [[:File:Amstrad Computer User8509008.jpg]]. Made by Metrotec ltd.
Not much is known about this device please supply more info!
=== Review ===
[[imageImage:CWTA-AE-Sep87Page37.jpgJPG|400px|left|thumb|review in Computing With The Amstrad]]
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