Baby incubators started as part of a Coney Island sideshow
From PBS: "It was Coney Island in the early 1900’s. Beyond the Four-Legged Woman, the sword swallowers, and “Lionel the Lion-Faced Man,” was an entirely different exhibit: rows of tiny, premature human babies living in glass incubators. Barkers, including a young Cary Grant, called out to passersby, enticing