1869—Germany
A rear-facing trombone is featured in The Concert in the Garden Pavilion, an engraving by Capri, after an illustration by Anton von Werner (Der Trompeter von Säckingen,” 1860) (see below image; public domain).
A rear-facing trombone is featured in The Concert in the Garden Pavilion, an engraving by Capri, after an illustration by Anton von Werner (Der Trompeter von Säckingen,” 1860) (see below image; public domain).