Orchestral horn. Nominal pitch: F etc.

https://images.is.ed.ac.uk/luna/servlet/iiif/UoEart~2~2~56511~102988/full/150,/0/default.jpghttps://images.is.ed.ac.uk/luna/servlet/iiif/UoEart~2~2~56523~102990/full/150,/0/default.jpghttps://images.is.ed.ac.uk/luna/servlet/iiif/UoEart~2~2~28405~102992/full/150,/0/default.jpg