1997 – ITAC Systems evolution MOUSE-TRAK trackball

The evolution MOUSE-TRAK trackball was manufactured by ITAC Systems, a Texas-based company specializing primarily in high-quality, ergonomic trackballs for professional use. The company positioned itself as a pioneer in the production of trackballs for Unix systems and X terminals since the MOUSE-TRAK model release in the late eighties. Introduced to solve the problem of the repetitive strain injury (RSI) syndrome…

1993 — Evergreen Diamond XL trackball

The Diamond XL trackball was produced by the Evergreen Systems International company in California, founded in 1980 and specialized in high-quality trackballs for industrial and military applications. Diamond trackballs have been positioned as a mouse replacement in computer systems where fast and precise pointing is required (CAD/CAM, graphics, workstations, kiosks, etc.) and in industrial and military systems where a mouse…