He realized that the drawing itself was a simplification of a much more complicated original device.

Of course, you could just listen to the original device.

In 1963, the original device was replaced by more modern recording technology using a magnetic drum.

"So this is an original genuine spiritual device?"

And they amplify the original devices to prevent abuse of official power.

Vodafone offers a branded version, the R210, which is nearly similar to the original device.

The original device simply indicated the presence of a subterranean hollow such as a cave or a tunnel.

"The difference between the original device and the latest model is like night and day," Smith said in a press release.

This original device was soon replaced by a computer.

The original device has been lost, but at least two replicas have been made.