What's with the big machine?


Hint 1 of 7:
One important part is missing.

Hint 2 of 7:
There is a spoked wheel on the left side, but not the right.  When you find
one, put it on the spoke.

Hint 3 of 7:
Its most important feature is the funnel on top.

Hint 4 of 7:
You will need to fill it with some kind of liquid.

Hint 5 of 7:
That liquid is available in the outer ring.

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