Colton's laughing gas broadside.
Bause
George S
GS
ASA's Wood Library-Museum of Anesthesiology, Park Ridge, Illinois, USA. UJYC@aol.com
D000329:Advertising / Q000266:history*; D000766:Anesthesia, Dental / Q000266:history; D049672:History, 19th Century; D009609:Nitrous Oxide / Q000266:history*; D014481:United States
D009609:Nitrous Oxide