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Go back to the piano and click on a small science lab which can be found to the right. You should be able to receive a new report. Open your diary to read it – Chemistry Laboratory. This is going to be a very challenging puzzle. You will have to familiarize yourself with how pianos work. Understanding some of the available clues is equally important here. Take a closer look at the page taken from the chemistry book. There are some vials at the bottom of the screen and you’ll be allowed to use litmus papers to conduct experiments. You can also use the reset button if you want to start over.
Your objective will be to recognizse some of the substances and associate them with piano keys. It’s a tricky challenge, so make sure that you’ve read this section of the walkthrough very carefully:
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1) Click in the lower right corner and pick up a litmus paper. Use the paper on X vial (yellow one). 2 will appear under the vial. |
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2) Click in the lower right corner and pick up a litmus paper. Use the paper on X vial (blue one). 6 will appear under the vial. |
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3) Click in the lower right corner and pick up a litmus paper. Use the paper on X vial (green one). 8 will appear under the vial. |
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4) Click in the lower right corner and pick up a litmus paper. Use the paper on X vial (black one). 12 will appear under the vial. |
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5) Click in the lower right corner and pick up a litmus paper. Use the paper on X vial (red one). 14 will appear under the vial. |
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6) Click in the lower right corner and pick up a litmus paper. Use the paper on X vial (orange one). 15 will appear under the vial. |
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7) Click in the lower right corner and pick up a litmus paper. Use the paper on X vial (white one). 18 will appear under the vial. |
Check your diary for a new report – Results of Professor Orlowski’s Riddle. As you’ve probably noticed, this is the combination to the safe – 2, 6, 8, 12, 14, 15, 18. Go back to the safe which can be found near the left door (screen). Before you decide to proceed any further, familiarize yourself with a close-up view of the safe.
Solving this riddle is going to be extremely easy, because a combination to the safe is already in your possession. Each time you will have to move the pointer using arrow buttons, so it’ll face a correct number. Once this is done, use the handle (screen) to input this number. You will have to input 2,6, 8, 12, 14, 15 and 18. Wait for the safe to be opened.
Listen to what Seward has to say about Van Helsing’s findings. Click on an open safe and you’ll receive a new document which will automatically appear in your diary – Duke Orlowski’s Letter. You can also pick up two standard items – a Key and an Angel. Choose the newly acquired key from your inventory and use it on a nearby door (screen).
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