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.
Heart-lung machine with heat exchanger and experimental pieces, including left to right: two unidentified parts, Blood Filter, Mayo type Blood Filter, Blood Pressure Gauges, Brown Heat Exchanger, Kay-Cross type of Disc Blood Oxygenator An experimental...