November 5, 1950 letter from Susan R. Chapin to Wilburt Davison thanking him for a copy of his "Thumbnail Sketch" and "Reminisces" of Sir William and Lady Grace Osler.
The Küntscher nail is an internal fixation device used to maintain the position of the fracture fragments during healing. Dr. Gerhard Küntscher pioneered this method in 1939 and it was used during WWII to quickly heal soldiers. This particular...
Kymograph. Electric. 1950s. Brass drums mounted on teak base. Instrument used to measure and graphically record physiological responses: blood pressure, pulse, respiration, muscle contraction, nerve impulses, etc.