![Iron lung (c. 1933) used to "breathe" for polio patients until 1955 when polio vaccine became available is located in the Mobile Medical Museum, Mobile, Alabama - original digital file | Library of Congress Iron lung (c. 1933) used to "breathe" for polio patients until 1955 when polio vaccine became available is located in the Mobile Medical Museum, Mobile, Alabama - original digital file | Library of Congress](http://tile.loc.gov/image-services/iiif/service:pnp:highsm:05200:05216/full/pct:50/0/default.jpg)
Iron lung (c. 1933) used to "breathe" for polio patients until 1955 when polio vaccine became available is located in the Mobile Medical Museum, Mobile, Alabama - original digital file | Library of Congress
![Paul Alexander| This man has been using iron lung machine for nearly 70 years | Trending & Viral News Paul Alexander| This man has been using iron lung machine for nearly 70 years | Trending & Viral News](https://imgk.timesnownews.com/story/Paul_Alexander.png)
Paul Alexander| This man has been using iron lung machine for nearly 70 years | Trending & Viral News
![My experience with the iron lung, the negative pressure ventilators of the past | British Columbia Medical Journal My experience with the iron lung, the negative pressure ventilators of the past | British Columbia Medical Journal](https://bcmj.org/sites/default/files/styles/image_1050x460/public/Iron_lung_CDC.jpg?itok=M88PHho7)