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The Mystery of the Nautilus Hints
How do I clean the Laboratory window?
1 of 6: This looks like a pretty tough job.
2 of 6: Ordinary soap and water isn't going to cut through this grime.
3 of 6: We'll need a stronger solution.
4 of 6: Look around the Laboratory.
5 of 6: Take the bottle of acid from the counter.
6 of 6: Use the acid on the window. It will dissolve the glass.
