plural of mill wheel

plural of prayer wheel

plural of flutter wheel

A water wheel placed below a fall or in a chute where rapidly moving water strikes the tips of the floats.

plural of planet wheel

A gear wheel that revolves around the wheel with which it meshes, in an epicyclic train.

A device for measuring distance, consisting of a wheel of fixed circumference, a handle, and a clicking device triggered by each revolution of the wheel.

A device for producing straight-line motion from circular motion, on the principle that a pin fastened in the periphery of a gear wheel will describe a straight line when the wheel rolls around inside a fixed internal gear of twice its diameter.

plural of epicycloidal wheel

plural of tub wheel