6004837 The "iron lung," one of the latest developments of medical science, is an instrument for producing normal action of the lungs in cases where the patient is too ill to do so naturally (litho) by English School, (20th century); Private Collection; (add.info.: The "iron lung," one of the latest developments of medical science, is an instrument for producing normal action of the lungs in cases where the patient is too ill to do so naturally. Illustration for General Knowledge Course (Odhams, c 1945).); by Look and Learn; English, out of copyright.