Added the below painting and caption to the Trombone History Timeline (17th century, 1626-1650). I also added it to the collection, Pick That Thing Up and Play! 22 Trombone Paintings from the 17th Century Low Countries.

c. 1629—Utrecht, Netherlands: Jan van Bijlert’s Music Making Company includes a trombone resting on the floor (see bottom-left of below image; public domain).