bow and arrow vs machine gun

bow and arrow

noun
  • A weapon consisting of a bow and a supply of arrows, often kept in a quiver. 

machine gun

noun
  • A type of fully automatic firearm that fires bullets in rapid succession by a single action of the trigger and is capable of sustained fire. 

How often have the words bow and arrow and machine gun occurred in a corpus of books? (source: Google Ngram Viewer )