细节
An 18th-century burnished steel and ivory-handled trepanning brace,
signed RENAUD on the upper shank, with spring clip for holding the trepanning crowns or perforators 10 3/8in. (26.4cm.) long
See illustration
signed RENAUD on the upper shank, with spring clip for holding the trepanning crowns or perforators 10 3/8in. (26.4cm.) long
See illustration