Estimated Date: 1905
Name: Urethral Dilator,Kollman-Gentiles with Guyons Curve
Description: 12.5” with curved end, is a scale and as the wheel 1.5” diameter on the end is turned a mark on a separate piece on the circular scale records the amount and the curved end spreads into four separated rods. Steel gilded brass. There is a wing grip between the dilating part and the scale.
Reference 1: 46