Nixdorf Computer Softkey
Cherry MX Black (with clear casing), Double-injection molded keycaps, 1988
This is by far the most obscure and interesting keyboard I currently have in my collection. It comes with Cherry MX Black switches, which feature a transparent case! No one had seen this type of switch before another German geekhack member discovered these earlier in 2010.
The keyboard appears to be for a Nixdorf Computer system and is not compatible with any current PC hardware. The variant found earlier this year featured a different layout and a few other changes, but used the same clear case switches.
Each keycap originally came with a rubber o-ring to produce a softer and more quiet landing when bottoming out on the keys. This works quite well and its real joy to type on this board. Sadly after almost 25 years most of the rubber is starting to fall apart.
