Clarinet. Nominal pitch: C.

Key
https://images.is.ed.ac.uk/luna/servlet/iiif/UoEart~2~2~82402~187447/full/150,/0/default.jpghttps://images.is.ed.ac.uk/luna/servlet/iiif/UoEart~2~2~82403~187446/full/,150/0/default.jpg