pennsylvania railroad museum Steven Conn on Innovation and Progress in Philadelphia

Philadelphia: The Great Experiment (Floodgates Open)

Steven Conn explains the significance of Philadelphia's innovation in establishing industry and the Pennsylvania Railroad.

Watch more at http://www.historyofphilly.com/
Be sure to visit our website at http://www.historymakingproductions.com/

pennsylvania railroad museum Steven Conn on Innovation and Progress in Philadelphia
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