printer's reader vs reviser

printer's reader

noun
  • Synonym of proofreader 

reviser

noun
  • One who revises. 

  • In several states, an official charged with the responsibility for making new statutes technically consistent with the existing body of law. 

  • A person who verifies the quality of a translated text in professional translation project management. 

How often have the words printer's reader and reviser occurred in a corpus of books? (source: Google Ngram Viewer )