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  • Narabayashi arc system. Japan.

    Descrição: Narabayashi arc system. Japan. 1950. The original instruments were built in 1950. The current model on display was used to treat Parkinson's disease.
    Data Criada: 1950

  • Kymograph

    Descrição: 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.
    Data Criada: 1950s