Trombone Image: 19th Century Parisian Orchestra

Added the following image and entry to the 19th Century Trombone History Timeline (2nd half):
XIR63425c. 1883—Paris, France: Jean Beraud’s painting, The Box by the Stalls, offers a view, through a patron’s box seat, of a Parisian orchestra. Included is a clear depiction of a trombone (see facing image; public domain).