Most programs from before 1947 are lost because there was no effective recording device.

"It appears to be a recording device of some kind."

She turned the recording device on as they approached the pool.

He pointed out to me that if the recording device was on, we were already being recorded.

He also found a recording device in his mobile phone.

He also knew where the recording devices for the security cameras were located and took these.

"Every hour or so our recording device becomes full," he said.

Evidently, he thought, the fall had broken the recording device, at that point.

The recording device had obviously been destroyed at that point.

I have a recording device of my own as well.