house of correction vs torture chamber

house of correction

noun
  • A prison. 

  • A kind of residential penitentiary facility, built after the passing of the Elizabethan Poor Law (1601), where those who were "unwilling to work", including vagrants and beggars, were set to work. 

torture chamber

noun
  • A room equipped for carrying out torture. 

How often have the words house of correction and torture chamber occurred in a corpus of books? (source: Google Ngram Viewer )