Benjamin Bell's trephine handle
Benjamin Bell's trephine handle, steel, with wooden handle
Trephination set, almost complete, in damaged shark skin case, European, 1750-1820
Benjamin Bell's trephine handle, steel, with wooden handle
2 trephine saws, steel, to fit handle (part 1)
Bone brush, ivory, with black bristle
Petit's (?) perforator, steel
Lenticular, steel, with polished wood handle
Steel rugine with polished wood handle