What happened to the Attic Key?

Hint 1 of 10:

It fell into the floor boards.

Hint 2 of 10:

It landed down in the Cellars.

Hint 3 of 10:

Have you found any thing that might allow you to go down?

Hint 4 of 10:

A dumbwaiter is not the same thing as a dumb Waiter.

Hint 5 of 10:

Actually, a dumbwaiter is a small elevator.

Hint 6 of 10:

You need to go down the Dumbwaiter.

Hint 7 of 10:

Like most dumbwaiters it operates with ropes and pullies.

Hint 8 of 10:

This one has a wheel you can turn to move it up and down.

Hint 9 of 10:

Once you take the safety off.