Estimated Date: 1889
Name: Urologic Sounds (Monel)
Manufacturer: Geo. Tiemann (Wm Hatteroth)
Description: 14.25×6.75×2.75 cherry box with brass escutcheon labeled Tiemann, contains 12 nickle plated assorted sounds all labeled Tiemann in base and assorted dilators in lid with an American Surgical Trade Ass., Sound gauge is cardboard and is shown lying on the lid, it is from Sklar and of a later date. Lid also contains 6 bougies of varied size labeled Wm Hatteroth.
Reference 1: 55