The Testament of Sherlock Holmes Hints

Pipe

  • 1 of 3: Examine the tray that's on the floor to the left of the door to get a close-up.
  • 2 of 3: Examine the pipe that's along the top edge of the tray, plus the bowl of burnt balls that's just below it.
  • 3 of 3: Also examine the small burner that's over on the left side of the tray.