Microsoft IntelliMouse TrackBall

By Xah Lee. Date: . Last updated: .

Microsoft IntelliMouse TrackBall came out in 1999.

Microsoft IntelliMouse trackball 86431
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Microsoft IntelliMouse trackball BszwP
Microsoft IntelliMouse trackball [image source https://old.reddit.com/r/Trackballs/comments/mo1i7j/just_bought_this_almost_unused_beauty/]
Microsoft IntelliMouse trackball back 86431
Microsoft IntelliMouse trackball back big 86431