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