effigy vs microfiche

effigy

noun
  • A likeness of a person. 

  • A dummy or other crude representation of a person, group or object that is hated. 

microfiche

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

  • A device used to magnify and read these sheets. 

verb
  • To convert (documents) to microfiche format. 

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