IBM Trackball Keyboard

Provided by the ASK Keyboard Directory

Sandy55 (reuse permitted with attribution)
1993Model M5-1 Trackball KeyboardIBM membrane buckling springsMore info on this keyboard

Aka, IBM Enhanced Keyboard with 16mm Trackball

eg, P/N 1370478

Variant of the IBM Enhanced Keyboard with 16mm trackball placed above the arrow keys.

Sources

ASK. Admiral Shark's Keyboards original content. License/note: CC BY-NC-SA 4.0.

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