I get how the bulb goes into the golden "rack", but the thing already came down earlier in the level... now it's stuck up near the ceiling again. Plus, the ladder that leads up to the ceiling is also stuck up there (I searched up there early in the level and dropped off.)
As if that wasn't bad enough, the statue will not turn anymore... Urgh! It's tough keeping up with the Joneses.
Otherwise, what a blast.
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Be seeing you...
You can lower the ladder again by pressing the button on the other side. (jump up on rafter - walk to the left, run jump to the button.
Jamison