Detail map of Paris, Île-de-France, France,Innere Stadt, Wien, Wien, Austria Overview map of Paris, Île-de-France, France,Innere Stadt, Wien, Wien, Austria

A: Paris, Île-de-France, France, B: Innere Stadt, Wien, Wien, Austria

The Oldest Surviving Magnetic Audio Recording

1900

At the World Exposition of 1900 in Paris Danish inventor Valdemar Poulsen recorded the voice of Emperor Franz Josef of Austria using his Telegraphone magnetic wire recorder.

This 10 second recording is the oldest surviving magnetic audio recording.

 

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