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Subject Blood alcohol--Testing Remove constraint Subject: Blood alcohol--Testing

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    • 1970s

    Close-up view of a police officer transferring a vial of blood to a technician for blood alcohol analysis at a laboratory associated with the Philadelphia Police Department. Per notations accompanying the photograph,…

    • 1973

    General view of an unidentified female technician loading blood serum samples into a Perkin-Elmer Model F-40 Multifract Gas Chromatograph in a laboratory at the Institut für Rechtsmedizin located in Göttingen, Germany. …

    • 1958

    While the gas chromatograph has many industrial applications, here it is being used with a strip chart recorder to test blood alcohol levels in a forensic crime lab.

    Beckman Instruments entered the gas chromatograph…

    • circa 2003

    Jack Cadman was the first forensic pathologist to work in the Orange County, California criminal justice system. As part of his duties, he worked with Theron Johns of Beckman Instruments to find a way to measure blood…