- Catalog number: O-1
- Object type: Perforator
- Manufacturer: Tiemann, New York
- Date: 19th cent.
- Description: Solid metal perforator for fetal head that looks like a type of Simpson's perforator; existing label says "C. Lentz";
measures 31 x 5 x 1/2 cm.
- Engraved: Tiemann & Co.
- Provenance: Herbert Thoms, M.D.