← The Machines That Built America

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Campbell ScottCampbell ScottSelf - NarratorTravis TaylorTravis TaylorSelf - EngineerMax HastingsMax HastingsArno PetersonAdam RichmanAdam RichmanSelf - Tv HostYohuru WilliamsYohuru WilliamsSelf - Prof. of HistoryBrian Potter Jr.Brian Potter Jr.George HendeeSimon DarwenSimon DarwenRay DewaltNicholas McCluskeyNicholas McCluskeyTin Can BoySimon AdkinsSimon AdkinsOscar Hedstrom