Modern Mechanix: DIY Iron Lung - About the "wooden lung" temporarily used in 1949, to treat an eight-year old polio patient until the conventional iron version was obtained.
NMAH: Iron Lung - From the collections of the National Museum of American History.
NMAH: The Iron Lung and Other Equipment - Paraphernalia about iron lung or the tank respirator used to help polio patients breathe. From the National Museum of American History.
University of Virginia: Iron Lung - Traces the development of iron lung and other artifical respirators for polio patients. From the historical collections at the Claude Moore Health Sciences Library, University of Virginia.
Wikipedia: Iron Lung - User-edited article about the iron lung, the large machine that enables a person to breathe when normal muscle control is lost in patients like those affected by polio.