Penny & Giles Semerc Roller TrackBall

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Now known as Traxsys, Penny & Giles manufactured thisTrackball as a solution for users who may have difficulties with a conventional mouse. Large 63.5 mm diameter ball offers a high degree of control with many additional features as a speed control key, latching drag switch and buttons that allow only up/down or left/right movement of the cursor.

Captive fasteners in the base allow the device to be attached to a desk or a wheel chair tray

 

 

Date : 1992

Manufacturer : Penny & Giles

Format : Trackball

Physical Description : Trackball with connected wires

Provenance :
Assisted technology for the Archimedes



This exhibit has a reference ID of CH73923. Please quote this reference ID in any communication with the Centre for Computing History.
 

Scan of Document: Penny & Giles Semerc Roller TrackBall

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