• 2 Videos, Slides, Films

• 1 Design and construction
• 1 Edison, Thomas A. (Thomas Alva), 1847-1931
• 1 Employees
• 1 Inventors
• 1 Railroad engineering
• 1 Railroads
• 1 Safety appliances

• 2 Alexander Street Press
• 2 Arts and Entertainment Network
• 2 History Channel (Television network)
• 2 Nash, Bruce M
• 1 Actuality Productions
• 1 Cambou, Don
• 1 Garrison, Dave
• 1 Hearst Entertainment (Firm)
• 1 Jaffe Productions
• 1 Jaffe, Bob
• 1 Kirby, Paul
• 1 Raphael, Max
• 1 Trinkl, Alison

• 2 United States

• 1 Biography
• 1 Nonfiction films

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