Before revision: He also wrote a short essay about how it worked and its purpose and this work was first written in Latin language and publiched under the name Tonographiase Excogitatio (1841), since Cagnazzi wanted its invention to be known in what it was then known as Germany.
After revision: He also wrote a short essay about how it worked and its purpose and this work was first written in Latin language and publiched under the name Tonographiae Excogitatio (1841), since Cagnazzi wanted its invention to be known in what it was then known as Germany.