wheels within wheels

Or are there wheels within wheels here we cannot even imagine?

Wheels within wheels moved in his brain as he thought of the incredible irony of this ceremony.

Ay, ay, Tammas, but there's wheels within wheels ye ken naething about; I canna do't.

Match-making involves so many parties, there are such wheels within wheels of calculation and resource.

There are wheels within wheels, all of which I would explain to you, only I fear that there is not time.

Rome at this time was a place where there were wheels within wheels.

They soon stood before a great throbbing monster, a mystery of wheels within wheels and of gleaming steel.