Why Weren't Duplex Steam Engines Successful?
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New York Central's Niagaras - The Best Mainline Steam Engines?
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Union Pacific's Superpower Fleet
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I Got the T1 Duplex Steam Engine!!!
1:17:12
Abandoned Steam Engine Brought Back to Life! - 1908 Industrial Time Capsule
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The Wreck of the Transcontinental 78 years later
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America's Fastest Steam Trains - Milwaukee Road Class A and F7
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The Reason Train Design Changed After 1948
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