Mar 14, 2016 · These measurements were in somewhat common use for the first decades of modern spirometry. They have since mostly passed into disuse and have largely been …

Nov 30, 2016 · Dr. Pescher’s Spiroscope was primarily a device for exercising the lungs by moving water from the upper chamber to the lower. In this case, the amount of water that …

Jun 24, 2013 · Horizontal spirometer. From R. Burton-Oppitz. A new type of recording spirometer. Journal of Laboratory and Clinical Medicine. August 1922, Volume 7, no 11, page 2. 1960s, …