A 19th-Century French nickel-plated vaginal dilator,

细节
A 19th-Century French nickel-plated vaginal dilator,
unsigned, the two angled blades opened by an ivory-handled rack-and-pinion mechanism in a steel housing engraved DILATEUR DE LA MATRICE, the handle with index arrow reading against a circular scale 1-12 on the ivory top plate, blade-locking lever -- 5¼in. (13.5cm.) long

See Illustration