Veterinary instruments and apparatus
Trephines are used to drill into the nasal cavity of a horse in order to access its back teeth or to flush out the nasal and sinus cavities. (Lisa Cox, University of Guelph)
Colebourn Family Archive. Terms & Conditions.
11.5 x 2.1 (9.1 top) x 2.1 (0.3 top) cm