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...
Rand-Urban stereotactic arc system. USA. 1956. This stereotactic instrument was designed as an arc system in order to place the patient's head in various positions. It's clinical application of studies on stereotactically implanted electrodes in...
Austin and Lee burr hole system. USA. 1956. The basic design consisted of a device mounted on a burr hole in the skull. It allowed guidance at various angular adjustments. By passing the needle through the trephine after attaching the socket, AP and...