I just added this caption and image to the Trombone History Timeline (19th century, 1826-1850).
1847—France: Gerard Grandville’s sketch, Parade de l’autruche, features a trombone, horn, and clarinet with conductor (see below image; public domain; Nancy, musée des beaux-arts).
![](http://cdn-617fc9a2c1ac186784d32f45.closte.com/wp-content/uploads/2023/04/grandville-parade-sharper.jpg)