The wheels that made Steam Trains more powerful - Locomotives "Boosters"
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Italy's Bizarre double-boiler steam trains - "Franco-Crosti" Boilers
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The Overpowered Engines that Ran Underwater - St. Clair Tunnel Locomotives
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Russia's Monster Plane That Actually Flew | Kalinin K-7 [Aircraft Overview #11]
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The GER's Terrific Trams - GER "G15" & "C53"
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The Reason Train Design Changed After 1948
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HUGE vs. TINY drive wheels - Why? | Railroad 101
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Swedens WW2 Radial Engined Fighter - FFVS J22
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