[[Image:marconi.jpg|thumb|400px|The Marconi trackball]]
A '''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!
*[[FutureOS]]
=== Review === [[Image:CWTA-AE-Sep87Page37.JPG|400px|left|thumb|review in Computing With The Amstrad]] <br><br> [[Category:FutureOS]][[Category:HardwareInput Device]][[Category:Peripherals]]