Unlike the mechanical gadgets one needs a source of electric power to use it.

As our altitude increased I looked at the internal pressure gauge-thank God for a simple mechanical gadget.

He is an electronics wizard who grew up taking apart and putting together radios and other mechanical gadgets.

This dingbat will stop a completely mechanical gadget, like a clock.

Instead of studying law, he tinkered with mechanical gadgets.

It was a neater solution than the crude, clanking mechanical gadgets of his own era.

They can count, reason within limits, and use mechanical gadgets.

You'll notice a lot fewer service robots here than usual, and fewer mechanical gadgets.

On a table in front of them was an odd-looking mechanical gadget which Tom eyed with distrust.

Beside him, a man suddenly dropped a huge mechanical gadget over his head and locked it on deftly with a single motion.