Clarinet. Nominal pitch: C.

https://images.is.ed.ac.uk/luna/servlet/iiif/UoEart~2~2~82393~187467/full/150,/0/default.jpghttps://images.is.ed.ac.uk/luna/servlet/iiif/UoEart~2~2~82394~187466/full/,150/0/default.jpg