Category: Patent Model
Estimated Date: 1866
Name: Pessary, J.P. Willms
Manufacturer: J.P. Willms

Description: Two bone or ivory 2“x1.5” wings are activated by a 3” long central screw device turned by a bone knob to open and close depending on the fit needed. Each wing is perforated by a .5” hole, the screw mechanism is metal. Patent model with original patent tag #60312.

Reference 1: 51

Pessary, J.P. Willms