Cloth-mask application
of anesthesia in a camp demonstration. Doctors usually preferred this option over the newly invented nasal inhalers. ((“Army medical wagon; surgeon and assistant demonstrate anesthesia for amputations during the Civil War,” (CP 1563)/OHA 75 Contributed Photographs Collection/Otis Historical Archives/The National Museum of Health and Medicine))
(“Army medical wagon; surgeon and assistant demonstrate anesthesia for amputations during the Civil War,” (CP 1563)/OHA 75 Contributed Photographs Collection/Otis Historical Archives/The National Museum of Health and Medicine)