c. 1800—Germany
A print of military musicians entitled Turkische Musick der K. Baierischen Grendier Garde, now held in the German National Museum, includes a rear-facing trombone (see below detail; public domain).
A print of military musicians entitled Turkische Musick der K. Baierischen Grendier Garde, now held in the German National Museum, includes a rear-facing trombone (see below detail; public domain).