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Filtering by: Subject Electrical Equipment and Supplies Remove constraint Subject: Electrical Equipment and Supplies Year 1957 Remove constraint Year: 1957

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  • Kymograph

    Description/Abstract: 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.
    Date: 1950s