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:
What Do the Keys on Space Cadet Keyboard Do
Keyboard Design for the LISP Machine
LMI Lisp Machine
Lisp Machine Keyboards
If you have a question, put $5 at patreon and message me.