From the Annals of Surgery, Volume 74, December 1921, page 835.
Tag Archives: Sanborn
Sanborn Metabolator, circa 1950
Sanborn Company Advertisement, 1924
Spirometer, Sanborn, circa 1920
Sanborn Spirometer, circa 1920
from: http://www.museevirtuel-virtualmuseum.ca/Search.do?ig=on&R=IMAGES_ACPO6275&lang=en