Bow for violoncello.

https://images.is.ed.ac.uk/luna/servlet/iiif/UoEart~2~2~55818~104909/full/150,/0/default.jpghttps://images.is.ed.ac.uk/luna/servlet/iiif/UoEart~2~2~55805~102690/full/150,/0/default.jpghttps://images.is.ed.ac.uk/luna/servlet/iiif/UoEart~2~2~55831~102692/full/150,/0/default.jpg