microfiche vs reproduction

microfiche

noun
  • A device used to magnify and read these sheets. 

  • A sheet of microfilm, six by four inches, holding several hundred reduced images of document pages, read using a microfiche reader or microfilm reader. 

verb
  • To convert (documents) to microfiche format. 

reproduction

noun
  • A copy of something, as in a piece of art; a duplicate. 

  • The act of reproducing new individuals biologically. 

  • The act of making copies. 

  • A method for reproducing a bug or problem. 

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