Space-Cadet Keyboard

By Xah Lee. Date: . Last updated: .

The Space-cadet keyboard is made around 1982.

[see Lisp Machine Keyboards]

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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.

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LMI Lambda keyboard [image source]
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LMI Lambda lisp machine [image source]

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!

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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

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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

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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

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Featuring thumb up/down 👍 👎 👈 👉. In front of the keycaps are:

[see Hand Emoji 👍]

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Photos of the Space-cadet keyboard by webwit At 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

2016-06-17 Thanks to Jon Snader for tip.

Lisp Machine Keyboards

  1. Lisp Machine Keyboards
  2. SAIL Keyboard
  3. Space-Cadet Keyboard
  4. Lisp Machine LMI-CADR keyboard
  5. Racal-Norsk KPS-10 Lisp Prototype Keyboard
  6. Hyper 7 Keyboard
  7. 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. History of Emacs and vi Keys
  2. Space-Cadet Keyboard
  3. How to Create APL or Math Symbols Keyboard Layout
  4. Univac F-1355-00 Keyboard
  5. Ann Arbor Ambassador 60 Terminal
  6. ADM-3A Terminal
  7. DEC VT100 Terminal
  8. IBM Model M keyboard
  9. Sun Microsystems Type 6 Keyboard
  10. Control Key and Capslock Key Positions in Old Keyboards
  11. The Idiocy of Happy Hacking Keyboard
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