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Iron lung

1927

#228 of the biggest inventions in history, ranked by everyone.

#80 of the 101 inventions from the 20th century.

Vote: Lens vs Iron lung · See the Top 100

Nearby in the ranking

  1. Umbrella
  2. Submachine gun 1918
  3. Lens
  4. Iron lung 1927
  5. Lidar 1961
  6. Nitroglycerin 1847
  7. Chatbot 1966

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