1992 – IBM “soap” mouse
This mouse, officially known by the hard-to-remember name “model 13H6690” (and almost identical “model 33G5430”) was apparently released to the market in 1992 as an update to the 1987 IBM PS/2 mouse. In addition to the obvious association with a well-rounded bar of soap, this model was also unofficially called “IBM Fat Mouse”. Despite its wide distribution, this mouse is…
