roulette
toothed wheel

The cloth beam bears a toothed wheel which works a pinion.

This turns half the speed of the driving shaft, so its toothed wheel is twice the size.

The large toothed wheel stands for industry, and the grain sheaths represent the agriculture of the area.

The toothed wheels that drive the chain can also be changed.

The toothed wheels form cell segments as they move against each other.

Shef pointed at the toothed wheels on the frame.

An escapement was originally a toothed wheel turned by the slowly dropping weight.

She brought out some sand and hurled it at the side of the platform, where toothed wheels turned.

It is driven by a toothed wheel called a sprocket.

This target may contain magnets, or it may be a toothed wheel.