Lost Files of Sherlock Holmes: Case of the Rose Tattoo Hints

How do I analyse the ring?

  • 1 of 7: Again only one chemical can be chosen.
  • 2 of 7: Put ferric sulfate into the beaker.
  • 3 of 7: Light the burner with the matches.
  • 4 of 7: Add the ring to the beaker.
  • 5 of 7: Use the tweezers on the beaker to pick up the ring.
  • 6 of 7: Clean the ring with the rag.
  • 7 of 7: Use the magnifying glass on the ring.