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Rollkugel

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  • Rollkugel

    Click image for larger version  Name:	Rollkugel++.jpg Views:	1 Size:	65.8 KB ID:	849In 1968, AEG Telefunken devised this precursor to the mouse, known as rollkugel. Using a ball similar to those found radar flight control desks, it was developed as an input device.

    The rollkugel was described and pictured for an internal company magazine just weeks prior to Dough Englebart creating the more familiar mouse we've all come to know and love. The 'rolling ball' was for all intents and purposes just that, a mouse with a rolling ball for tracking purposes which were converted into a cursor on the screen of a Telefunken's TR440 computer via a TR86 unit.
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Typical number of colours produced by a standard early 80s micro computer? (16 / 48 / 256 / 4096)

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