Nancy Drew 27: The Deadly Device Hints

"Incorrect radio patent holder"

  • 1 of 3: You'll find out about this from the book in Nancy's locker.
  • 2 of 3: On the fourth page, it says that Tesla was the actual inventor of the radio, even though the patent was initially granted to Guglielmo Marconi.
  • 3 of 3: So the book referred to here is "Marconi's Transatlantic Quest." Another fascinating read, I bet.