In this room, you will travel back to the previous one to obtain some materials. However, this room should not be all that complicated to complete. If you are stuck, this cheat walkthrough will show you the way.
1. Pick up the gear lying on the floor.
2. Pick up the hammer.
3. Use the hammer to break through the wall. Exit to the other room.
Note: Step 4 through 7 can really be skipped
4. Obtain an airplane on the floor.
5. Observe the book on the floor to gain clues on how to proceed.
Head back to the other room via the door.
6. Insert the airplane into the artifact. You will trigger a puzzle. This puzzle requires you to hold on to a button for a predetermined amount of time. After which you can obtain a pyramid. Head back to the other room.
7. Place the pyramid. Now you can combine the pattern in the center versus the book that you have read.
8-10: Use the hammer to break the spots and obtain 3 more gears. Head to the other room.
11-14: Place the gears into the slots in the following order from left to right: 1324.
15: After placing the gears, you can now adjust the clock by pressing the red button. You want to clock to show the positions on how the skeletons are lying.
16. Obtain the artifact.
17. Place the artifact onto the door and escape!