Lisp Machine LMI-CADR keyboard
This is Lisp Machine Inc's CADR keyboard, called LMI-CADR keyboard, made in around 1981.
Note: there is a lisp machine called CADR machine. Lisp Machines Inc sold CADR machine as LMI-CADR. Symbolics Inc sold CADR machine as LM-2.
This is a Space-Cadet Keyboard.
[see Space-Cadet Keyboard]
Here's photo of another.
CADR keyboard brochure:
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