![PFT History | The diverse, quirky and mostly forgotten history of Pulmonary Function testing | Page 82 PFT History | The diverse, quirky and mostly forgotten history of Pulmonary Function testing | Page 82](http://www.pftforum.com/history/wp-content/uploads/2015/10/Spirometer_MedGraphics_7000_circa_1990s.jpg)
PFT History | The diverse, quirky and mostly forgotten history of Pulmonary Function testing | Page 82
![Used JONES MEDICAL Satellite Spirometer with Base Station Spirometer For Sale - DOTmed Listing #4452249: Used JONES MEDICAL Satellite Spirometer with Base Station Spirometer For Sale - DOTmed Listing #4452249:](https://www.dotmed.com/images/listingpics2/4/4/5/2/4452249_7.jpg)
Used JONES MEDICAL Satellite Spirometer with Base Station Spirometer For Sale - DOTmed Listing #4452249:
![Used JONES MEDICAL Satellite Spirometer with Base Station Spirometer For Sale - DOTmed Listing #4452249: Used JONES MEDICAL Satellite Spirometer with Base Station Spirometer For Sale - DOTmed Listing #4452249:](https://cdn.dotmed.com/images/listingpics2/4/4/5/2/4452249.jpg)
Used JONES MEDICAL Satellite Spirometer with Base Station Spirometer For Sale - DOTmed Listing #4452249:
![Lifetime spirometry patterns of obstruction and restriction, and their risk factors and outcomes: a prospective cohort study - The Lancet Respiratory Medicine Lifetime spirometry patterns of obstruction and restriction, and their risk factors and outcomes: a prospective cohort study - The Lancet Respiratory Medicine](https://www.thelancet.com/cms/attachment/67b6f315-375f-496c-ae0a-886fbb3f3193/gr1_lrg.jpg)
Lifetime spirometry patterns of obstruction and restriction, and their risk factors and outcomes: a prospective cohort study - The Lancet Respiratory Medicine
![Exploring the 175-year history of spirometry and the vital lessons it can teach us today | European Respiratory Society Exploring the 175-year history of spirometry and the vital lessons it can teach us today | European Respiratory Society](https://err.ersjournals.com/content/errev/30/162/210081/F2.large.jpg)
Exploring the 175-year history of spirometry and the vital lessons it can teach us today | European Respiratory Society
![Jones Medical - Satellite Plus Spirometer SA-3B Plus Community, Manuals and Specifications | MedWrench Jones Medical - Satellite Plus Spirometer SA-3B Plus Community, Manuals and Specifications | MedWrench](https://cdn.medwrench.com/eImg/photoNo/4067/23997-asset-eimg-photono-4067-s.png)
Jones Medical - Satellite Plus Spirometer SA-3B Plus Community, Manuals and Specifications | MedWrench
![Exploring the 175-year history of spirometry and the vital lessons it can teach us today | European Respiratory Society Exploring the 175-year history of spirometry and the vital lessons it can teach us today | European Respiratory Society](https://err.ersjournals.com/content/errev/30/162/210081/F1.large.jpg)
Exploring the 175-year history of spirometry and the vital lessons it can teach us today | European Respiratory Society
![The forced expiratory volumes after 1 second (FEV1) values calculated... | Download Scientific Diagram The forced expiratory volumes after 1 second (FEV1) values calculated... | Download Scientific Diagram](https://www.researchgate.net/publication/266372843/figure/fig3/AS:295808764268551@1447537713466/The-forced-expiratory-volumes-after-1-second-FEV1-values-calculated-by-the-spirometer.png)