The Antikythera mechanism is believed to be the earliest known mechanical analog computer.

Paul M. Rainey of Western Electric in 1926 patented a facsimile machine using an optical mechanical analog to digital converter.

Aiming devices for bombs, torpedoes, artillery and machine guns, using special purpose mechanical and electronic analog and (perhaps) digital "computers".

The mechanical analog Norden bomb sight is a well-known example.

They were mechanical analogs of the objective processes, used in such devices as gun aiming systems and bombsights.

Their engineers pioneered the use of mechanical analogs of electrical circuits and developed a superior "rubber line" recorder for cutting the groove into the wax master in the disc recording system.

One of the inspirations for ENIAC was the mechanical analog Bush differential analyzer.

I belive this meter can be mechanical (analog) or digital though I am not sure exactly how the meter works at the molecular level.

As the shaft turns, it creates a traveling sine wave below the baby - a "mechanical analog of the in-womb experience," according to the patent.

This was a mechanical analog to the sensory organs on the body of a shark.