The aperture and focus were mechanically driven through the lens mount from the camera body.

But air-conditioning equipment is mechanically driven and must exhaust to the outside, which means noise.

This is driven mechanically, either electrically or by its own diesel engine.

I lit a cigarette, blew smoke at the windshield, driving mechanically.

The speed of the rotarod is mechanically driven, and may either be held constant, or accelerated.

The other is a level winder that is mechanically driven.

The hot exhaust is forced over a turbine that spins to mechanically drive a shaft.

Old changers that were mechanically driven would jam under these conditions and crush records.

The main energy input to the plant is in mechanically driving the compressor, not as heat energy.

The figures and objects are often movable and mechanically driven.