colour television vs small screen

colour television

noun
  • A television set that displays images in colour. 

  • A colour system of transmitting and receiving television signals. 

small screen

noun
  • The broadcast or cable television screen, as opposed to the cinema screen (or big screen); by extension, the television programs themselves. 

How often have the words colour television and small screen occurred in a corpus of books? (source: Google Ngram Viewer )