Both Donald Trump and Hillary Clinton have talked about loss of manufacturing jobs, and the importance of having things “Made In America.” In this episode of BackStory, we take a look at the history of American manufacturing by exploring several objects that transformed American life. From 18th century colonists struggling to produce that most coveted of tems -- porcelain -- to the invention of nylon stockings and the TV picture tube in the 20th century, Peter, Ed, and Brian explore the surprising history behind five inventions and innovations.