A similar system is called a "magnetic acoustic device".

Instead, the neighborhood must summon the Fire Department to bring in the magnetic device.

However, he added, "We do feel that in the long run these magnetic devices will be less expensive than chemical treatment."

The pickups are magnetic devices that sit below the strings.

"It looked like he had some sort of magnetic device repelling an iron, too."

Tom quickly installed the atomic capsule and magnetic homing device inside.

For making magnetic devices, it is neither high nor very low, so it is not great.

All magnetic devices are subject to fields other than Earth's, which is not particularly strong.

The mass driver was a magnetic device for throwing things.

At several stadiums, a hand wand magnetic device will be used to scan fans.