IBM Model 15 Adjustable Keyboard

By Xah Lee. Date: .

The IBM Adjustable Keyboard, also marketed by Lexmark as the Lexmark Select-Ease Keyboard, and most commonly known by IBM and Lexmark's manufacturing designation Model M15, was a split-layout buckling spring keyboard manufactured by Lexmark from 1994 to 1995. It is widely considered by both users and experts in ergonomics to be one of the finest ergonomic keyboard designs ever produced.

[2021-05-17 https://deskthority.net/wiki/IBM_Adjustable_Keyboard ]

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IBM model 15 keyboard ใ€”image source redditใ€•