'Invented by Philip Drinker in the 1920s, this closed respirator is used by patients who can't breathe on their own'
an iron lung
INVENTORS & INVENTIONS: Invented by Philip Drinker in the 1920s, this closed respirator is used by patients who cant breathe on their own
Invented by Philip Drinker in the 1920s, this closed respirator is used by patients who can't breathe on their own
Invented by Philip Drinker in the 1920s, this closed respirator is used by patients who can't breathe on their own
INVENTORS & INVENTIONS
an iron lung
INVENTORS & INVENTIONS