Plethysmograph, Fukuda Sangyo, PCF-4000, 1984

Plethysmograph_Fukuda_Sangyo_PCF4000_1984

A transmural plethysmograph.  The PCF-2000 was an optional digital computer for performing tests.  Tests could be performed and calculated manually with just the PCF-4000.Photo from a sales brochure courtesy of James Sullivan, BA, RPFT, Supervisor, Pulmonary Laboratories, Memorial Sloan Kettering Cancer Center

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