I added the below caption and image to the Trombone History Timeline (19th century, 2nd half).
c. 1875—Switzerland: Artist Karl Jauslin (1842-1904) sketches a portrait of Hans Ramstein playing trombone (see below image; Museen Muttenz; public domain).
![](http://cdn-617fc9a2c1ac186784d32f45.closte.com/wp-content/uploads/2023/06/ramstein-616x1024.jpeg)