1893—Paris, France
Nouvelle méthode de trombone a 3 et 4 pistons (clé de sol), a valve trombone method by Jean-Baptiste Schiltz (1807-1868), is published in Paris (see below image; public domain) (National Library of France).
Nouvelle méthode de trombone a 3 et 4 pistons (clé de sol), a valve trombone method by Jean-Baptiste Schiltz (1807-1868), is published in Paris (see below image; public domain) (National Library of France).