Connell gas-oxygen apparatus, brass model war SP.
Bause
George S
GS
ASA's Wood Library-Museum of Anesthesiology, Park Ridge, IL, USA. UJYC@aol.com
D000769:Anesthesia, Inhalation / Q000266:history / Q000295:instrumentation; D003300:Copper / Q000266:history; D045268:Flowmeters / Q000266:history*; D049673:History, 20th Century; D047828:World War I; D015032:Zinc / Q000266:history
C048399:brass; D003300:Copper; D015032:Zinc