.jpg?w=1)
Details
A rare trephine
by Collin & Cie, the steel shaft with nickel silver guard for the trepanning bit arranged to slide to protect the depth of cut via three adjustment notches, with chequer-grip horn handle -- 13in. (33cm.) long; a spring action perforator with ebony handle; and an ebony handled gouge stamped indistinctly with maker's mark
See Illustration (3)
by Collin & Cie, the steel shaft with nickel silver guard for the trepanning bit arranged to slide to protect the depth of cut via three adjustment notches, with chequer-grip horn handle -- 13in. (33cm.) long; a spring action perforator with ebony handle; and an ebony handled gouge stamped indistinctly with maker's mark
See Illustration (3)