Museum Boerhaave – Iron Lung

The Iron Lung was a medical apparatus for people who suffered from polio. Partial vacuum was used to draw air into the lungs, nowadays air pressure is used from pressurised containers.

From their website:

National Museum of the History of Science and Medicine

As the national treasury of scientific endeavours, the museum shows some 400 years of advances in knowledge. Developments in the various sciences can be viewed in 24 rooms on two levels. The emphasis is on contributions from the Netherlands.