This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Ligne du milieu de la porte gnrale.svg fr ligne du milieu de la porte gnrale schma extrait de la Thorie de la musique de Danhauser Danhauser Thorie de la musique djvu creator Adolphe Danhauser other versions inkscape ValidSVG PDold Adolphe Danhauser Staves French text
Page 2023 Free-images.com. All images are Public Domain