Cornophone alto. Nominal pitch: 6-ft|F / 6½-ft|E♭.

https://images.is.ed.ac.uk/luna/servlet/iiif/UoEart~2~2~58918~103097/full/,150/0/default.jpghttps://images.is.ed.ac.uk/luna/servlet/iiif/UoEart~2~2~77115~183556/full/,150/0/default.jpg