talking machine

This was the first practical and commercially usable talking machine.

These copies or duplicates are the talking-machine records which the public ultimately purchases.

The blank has become the “master record,” and the first stage of producing a talking-machine record has been passed.

An empty cigarette box can be easily changed to a useful container for talking-machine needles, as shown in the sketch.

Edison's crowning discovery at Menlo Park was the celebrated 'phonograph,' or talking machine.