I made two videos but they were way too long, and were me just wandering around most of the time, so I restarted the game for the 5th time and decided just to make a written walk through.
So here you go!
Levers in rooms;
A,P, Y ,AC, U, D, T, Z
Aquamarine-AQ (use lantern)
Topaz-Q (use glove)
Amethyst-AR (light the candles)
Garnet-AM (put the journal in the open slot on the shelf)
Silver-AJ (use lantern)
Gold-U (use screwdriver)
Purple-N (use lantern)
Blue-Y (use hammer)
(answer is Fizzel)
Lighter-X (give the little girl her mirror)
Jade Stones in C, E, AB
4-digit number box in V; Code in U (add up the numbers on the music sheet)
6-digit number box in J; Code in H
Map clue in U (top of music sheet)
Round dial in AB; Code in Z
Candles in AR; Code in H (behind the clipboard)
Color code box in AP; Clue in H
(June-Red, September-Green, November-Blue)
Gemstone slots in T; Clue in H (counter clockwise)
Put the gemstones in the portrait frame going counter clock wise then take the wand and use it to get rid of the mist so you can escape through the door.