The trains initially had a clockwork drive, but from 1924 were driven electrically.

A self-regulating pump, electrically driven, served it as a heart.

The mechanism itself used to be clockwork but nowadays is usually electrically driven.

Since the vehicles were driven electrically, the air was unpolluted.

Both were electrically driven and deep-diving, but had relatively short range.

The sight was driven electrically from the aircraft's 24 Vdc power supply.

The car was described as electrically driven, with a range of speed from 3 to 12 miles per hour.

The boat was electrically driven with power supplied by a bank of batteries.

This was removed by 1911 when the mill was electrically driven.

The dome is electrically driven and will move automatically as the telescope tracks across the sky.