pair of compasses vs setting

pair of compasses

noun
  • A tool for drawing accurate circles or arches, usually consisting of two arms joined at one end in such a way that the arms can be opened and closed; one of the arms is pointed at its free end while the other holds a pencil, pencil lead or some other implement for making marks. 

setting

noun
  • A level or placement that a knob or control is set to. 

  • The act of marking the position of game, as a setter does. 

  • The mounting of a play, etc., for the stage. 

  • The direction of a current of wind. 

  • A piece of metal in which a precious stone or gem is fixed to form a piece of jewelry. 

  • A piece of vocal or choral music composed for particular words (set to music). 

  • The time, place and circumstance in which something (such as a story or picture) is set; context; scenario. 

  • The act of setting. 

  • Hunting with a setter. 

  • Something set in, or inserted. 

adj
  • that disappears below the horizon 

How often have the words pair of compasses and setting occurred in a corpus of books? (source: Google Ngram Viewer )