Described as a modified Hutchinson spirometer, presumably from the late 1800’s. Original source unknown. From: http://www.zeno.org/Meyers-1905/B/Atmung
Tag Archives: Hutchinson
Hutchinson Spirometer, 1876
From the website http://vlp.mpiwg-berlin.mpg.de
Attributed to Cyon, Elie de. 1876. Atlas zur Methodik der Physiologischen Experimente und Vivisectionen. (p. 0027, fig. 6)