Space-Cadet Keyboard

By Xah Lee. Date: . Last updated: .

The Space-cadet keyboard is made around 1982.

[see Lisp Machine Keyboards]

Space-Cadet keyboard 2
Symbolics's Space-cadet keyboard. image source

2 companies made this keyboard.

LMI Lambda keyboard

The Space-cadet keyboard is also made by Lisp Machine Inc, for their LMI-CADR machine, year 1983.

lmi lambda space cadet keyboard b270d
LMI Lambda keyboard [image source https://deskthority.net/keyboards-f2/cadr-lisp-machine-keyboard-the-space-cadet-keyboard-t19373.html]
lmi lambda lisp machine 37vp6
LMI Lambda lisp machine [image source https://deskthority.net/keyboards-f2/cadr-lisp-machine-keyboard-the-space-cadet-keyboard-t19373.html]

Note the LMI logo. It's lisp cons cell, which is the building block of lisp's list.

See also: Guy Steele Says: Don't Iterate, Recurse, and Get rid of cons!

space cadet keyboard 1
Brand new one, without case.

Video Review

Symbolics Space Cadet keyboard review (Honeywell Hall effect 4B3E) by Chyrosran22, Published on Dec 22, 2017

Meta Hyper Super Modifiers

space-cadet keyboard 5
Note the Meta Hyper Super modifier keys, and roman numeral keys. , , ,

The modifiers are:

The extra modifiers allows more key combination possibilities.

However, extra modifiers create much less possibilities than key sequences.

[see How Many Keyboard Shortcuts Are There]

APL Symbols

space-cadet keyboard 3
Space-cadet Keyboard has APL symbols, but not in standard APL layout.

[see How to Create APL or Math Symbols Keyboard Layout]

space-cadet keyboard 4

Thumb Up Key

space-cadet keyboard 12
Featuring thumb up/down 👍 👎 👈 👉. In front of the keycaps are:

[see Hand Emoji 👍]

space-cadet keyboard 7
space-cadet keyboard 2
space-cadet keyboard 6

Photos of the Space-cadet keyboard by webwit At http://deskthority.net/viewtopic.php?p=23509. Used with permission. You can see more photos about key caps and electronics there.

For the key layout, see: Lisp Machine Keyboard Layout

For lots more photos of the space cadet keyboard, see: Jesse Vincent's photo album flickr

2016-06-17 Thanks to Jon Snader http://irreal.org/ for tip.

Lisp Machine

  1. Lisp Machine Keyboards
  2. SAIL Keyboard
  3. Knight Keyboard
  4. Lisp Machine LMI-CADR keyboard
  5. Space-Cadet Keyboard
  6. Symbolics Keyboard PN 364000
  7. Symbolics keyboard PN 365407
  8. Racal-Norsk KPS-10 Lisp Prototype Keyboard
  9. History of Emacs and vi Keys

APL Keyboards

  1. How to Create APL or Math Symbols Keyboard Layout
  2. MCM Model 70 Microcomputer (1972)
  3. IBM 5100 (year 1975)
  4. Space-Cadet Keyboard

Hacker Lore Keyboards

  1. IBM Selectric
  2. History of Emacs and vi Keys
  3. Apple Keyboard History ⌨
  4. Space-Cadet Keyboard
  5. ADM-3A Terminal
  6. DEC VT100 Terminal
  7. IBM Model M keyboard
  8. Sun Microsystems Type 6 Keyboard
  9. Control Key and Capslock Key Positions in Old Keyboards
  10. The Idiocy of Happy Hacking Keyboard
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