'It's also called the Drinker Respirator, after Philip Drinker, who invented it'
Iron Lung
IRON: Its also called the Drinker Respirator, after Philip Drinker, who invented it
It's also called the Drinker Respirator, after Philip Drinker, who invented it
It's also called the Drinker Respirator, after Philip Drinker, who invented it
IRON
Iron Lung
IRON