Vaginal speculum. Tungsten duck-billed, bivalve speculum; long curved blades with rounded distal ends and 90 degree angle shape on bottom blade; anterior blade is slightly shorter than posterior blade; small notch on the proximal end of anterior blade; anterior blade has an arm that adjusts hinge that opens and closes blade; vertical steel piece...
Creator:
Graves, T. W
Contributor:
Oberg Manufacturing Company (Pennsylvania)
Created:
1948 - 1960?
Contributed By:
University of Minnesota Libraries, Owen H. Wangensteen Historical Library of Biology and Medicine.