c. 1836
Antoine Dieppo’s Méthod complete pour le trombone, an early method book for trombone (Wallace, Brass Solo 240). See illustration from Dieppo’s method, below (public domain).
Antoine Dieppo’s Méthod complete pour le trombone, an early method book for trombone (Wallace, Brass Solo 240). See illustration from Dieppo’s method, below (public domain).