teletype vs touch-type

teletype

noun
  • An early input/output device for mainframe computers. 

  • The telegrams produced by this device. 

  • A telegraph that automatically prints transmited messages in letters rather than Morse code or other symbols, typically resembling a typewriter in appearance. 

verb
  • To use a teletype. 

touch-type

verb
  • To type with a keyboard or typewriter without having to look at it, knowing where the keys are. 

How often have the words teletype and touch-type occurred in a corpus of books? (source: Google Ngram Viewer )