Equipment: Yankauer Ether Mask with Gauze; Ca 1910; AR#9487 | eHive
Ether Mask | National Museum of American History
Ether mask, c.1940-60 – People's History of the NHS
Schimmelbusch mask - Wikipedia
Esmarch ether-chloroform dripping bottle kit for sale
ether anesthesia mask : EH1014
Mask, Wire, Ether, 1910
ANESTHESIA on Twitter: "🔴 Open drop anesthesia: It is not used in modern anesthesia. A technique for producing inhalation anesthesia in which drops of a liquid anesthetic, such as ether, are placed