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Iron lung

Iron lung, tank covering the entire body except the head, in which air pressure is increased and decreased to provide artificial respiration. First developed in 1928 by Philip Drinker and Louis Shaw at Harvard's School of Public Health in Boston, the iron lung was widely used during the polio epidemics of the 1950s. Other types of respirators are employed today.

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21st Century Webster's Family Encyclopedia21st Century Webster's Family Encyclopedia - Inert gas to Jaruzelski, Wojciech