when was the iron lung invented – Health Zone

Question: when was the iron lung invented
- Keywords:
  iron,
  lung
Asked by Nish to Marta on 17 Jul 2017.
- Marta Maia answered on 17 Jul 2017:
  
  It was invented in 1670 and is no longer in use. There is a lot of information about it on wikipedia in case you want to know more.
  https://en.wikipedia.org/wiki/Iron_lung

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