Spirometry, Collins S-520, 1984

Spirometer_Collins_S-520_1984

Used a Stead-Wells spirometer and Included an Apple II computer with 48K RAM, dual floppy disk drives and a monochrome monitor. Photo is from a sales brochure courtesy of James Sullivan, BA, RPFT, Supervisor, Pulmonary Laboratories, Memorial Sloan Kettering Cancer Center

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