John Paul
Agni Gauss
Teacher What is the currency of Czech Republic Me the quite kid Koruna Teacher Very good how did you know that Me
Patricia Lee
The phonautograph was the earliest known sound recording device and it was invented in 1857 by a French man named Edouard Lon Scott de Martinville In 2008 researchers were able to play back these earliest recordings as sound for the first time ever
harp2019