From: Manual of Practical Physiology: Designed for the Physiological Laboratory Course in the Curriculum of the American Association of Medical Colleges, By John Conrad Hemmeter, 1912, page 117. An actual photograph instead of a drawing!
Category Archives: 1910s
Spirometer, 1915
Spirometer, Tissot
From a powerpoint presentation entitled “A la decouverte … du souffle” by Jean-Francois Dessanges. The title translates “the discovery was breathless”.
In the powerpoint presentation this illustration was tagged as being from 1880 which is incorrect since the first Tissot spirometer was not manufactured until at least 1904.
Spirometers, Tissot, BMR, 1916
Portable respiration apparatus ready for bedside use with subjects at the International Young Men’s Christian Association College, Springfield, Massachusetts.
Benedict and Tompkins, Boston Med. and Surg. Journ., 1916