What kind of keyboard is this?

[saturnotaku]

My son and I attended a birthday party at a place set up to be a mock fire station, and I saw this keyboard. I'm guessing it's some sort of spring/rubber dome, but wanted to defer to our industrial experts.

[Daniel Beardsmore]

Interesting Delete key.

It's one of these:

https://plus.google.com/photos/113845661925823397356/albums/5659412542152135521

Nobody knows what it is. It will be either Hi-Tek or Stackpole:

http://deskthority.net/wiki/Hi-Tek_linear
http://deskthority.net/wiki/Stackpole_switch_grid