It is 2 feet long
Your whole life if you need to.
My Iron Lung was created in 1993.
i doknow
because
Three men were involved in the invention of the iron lung. Their names were John Emerson, Philip Drinker, and Louis Shaw, Jr.
1928
The first modern iron lung was invented by Harvard medical researchers Philip Drinker and Luis Agassiz Shaw in 1927.
1928
Black lung was caused by digging in the coal mines.
A negative pressure ventilator, often referred to as an iron lung can be defined as a form of medical ventilator medical that enables a person to breathe when normal muscle control has been lost or the work of breathing exceeds the person's ability. The iron lung was replaced by respirators and nebulizers.
The ventilator originates from the Iron Lung which was invented by Philip Drinker and Louis Agassiz Shaw. In 1931, the Iron Lung was improved to become the ventilator by John Haven Emerson.
June Middleton