Found Objects

It's been a very long time since I dropped some objects in the blog. You guys seemed to enjoy them, so I thought it high time for a revival. If you've missed our past installments, the idea of Found Objects is pretty simple: I post some sort of visual representation of an object, equation, theory or idea that inspired or made its way into a book, film, song, poem, or painting. Your job is to name it and tell us where it's found.
This humorous one comes from a pretty well known book: (And remember: no Googling or Internet searching of any kind!)