On this Day

March 25, 1857

Édouard-Léon Scott de Martinville patents his Phonautograph

 

On March 25 1857 Édouard-Léon Scott de Martinville patented his Phonautograph, the earliest known device for recording sound.

Suggested celebration: French macaron cookie with a glass of French wine.

 

 

 

Scott's Phonautograph, 1859 with barrel made of plaster of paris

 

 

Full more information see the Wikipedia Phonautograph article which begins:

"The phonautograph is the earliest known device for recording sound. Previously, tracings had been obtained of the sound-producing vibratory motions of tuning forks and other objects by physical contact with them, but not of actual sound waves as they propagated through air or other media. Invented by Frenchman Édouard-Léon Scott de Martinville, it was patented on March 25, 1857..."

 

 

 

 

 

 

March 25 - On this Day Factola