The Dagger of Amon Ra Hints

What about the waste basket?

  • 1 of 4: You found some carbon paper, did you?
  • 2 of 4: Carbon paper prints some carbon on a copy.
  • 3 of 4: That leaves less on the paper, making it more transparent.
  • 4 of 4: Hold the paper over the desk lamp to read it.