Spirometer devoloped by Anton Wintrich in 1854. From Genusus, Swiss Journal of the History of Medicine and Sciences, volume 38, 1981, an article titled “Die anfange der spirometrie im 19.Jahrhundert” by Mienem Lehrer, page 254.
Tag Archives: Wintrich
Spirometer, Wintrich, 1921
Spirometer, Wintrich, 1854
Spirometer, Wintrich, 1854
From “Athmungsgrosse des menschen” by Dr. Friedrich Arnold. Copyright 1855. Page 7.