Vaginal speculum.
Kravetz
Robert E
RE
Archives Committee, American College of Gastroenterology, USA.
D005260:Female; D013509:Gynecologic Surgical Procedures / Q000266:history; D006176:Gynecology / Q000295:instrumentation*; D049671:History, 18th Century; D049672:History, 19th Century; D006801:Humans; D013525:Surgical Instruments; D014621:Vagina