Museum of Health Care - Today, From the Collection: The anaesthetic mask became a standard medical tool after 1904. Gauze was draped over the frame and held in place using a spring.
Early Mask For Delivering Ether Photograph by Jean-loup Charmet/science Photo Library
The Schimmelbusch mask | HKMJ
Yankauer ether mask • Museum of Health Care at Kingston
Lot-Art | Surgical Hand Tools, Ether Mask, Chloroform Bottles, Clamps, Cannulas and More