Ophicleide. Nominal pitch: 8-ft C.

https://images.is.ed.ac.uk/luna/servlet/iiif/UoEart~2~2~58982~103127/full/,150/0/default.jpghttps://images.is.ed.ac.uk/luna/servlet/iiif/UoEart~2~2~59000~103124/full/,150/0/default.jpghttps://images.is.ed.ac.uk/luna/servlet/iiif/UoEart~2~2~75498~183539/full/,150/0/default.jpg