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Most viewed - Hump Yard & Car Retarders
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 C&O K-50 Panel80 viewsPresque Isle Yard
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 Tower A Eastbound Cedar Hill Yard79 views
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 Chicago Illinois Central Railroad (Air view of Markham Yard)79 views
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 Model 50 Retarder in Tracks79 views
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 Model 50 Retarder in Tracks79 views
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 Car Retarder Machine78 views
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 Gateway Classification Yard78 views
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 Car Retarder Machine78 views
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 Switch layout showing small thawing apparatus77 views
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 Earl DeIvernois at Car Retarder76 views
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 Rectifier panel and storage batteries in compressor room76 views
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 Direct-acting switch machine and circuit control76 viewswith switch lamp, air strainer, armed house, and Style-W-10 junction box on cast iron foundation
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 U.S. Steel Corp. - Lynch Coal cleaning plant - Corbin, Ky.76 views
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 Model 40 Retarder Reading for Shipping in UNIT76 views
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 Various positions of hands using buttons and toggle switches on Speed Control Panel75 views
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 Clearing Car Retarder Yard - Belt Railway of Chicago75 views
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 Control tower with compressed-air storage tanks and after-coolers.75 views
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 One end of compressor room showing automatic electric motor-driven compressor75 views
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 View from control tower showing cars entering classification tracks75 views
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 U.S. Steel Corp. - Lynch Coal cleaning plant - Corbin, Ky.75 views
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 U.S. Steel Saxonburg Plant Car Retarder & Radar Speed Control75 views
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 Retarder Control Panel74 views
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 Model 31 retarder on hump from flood lighting tower74 views
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 Control machine - 3rd floor of tower - E.B. Yard74 views
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 Aux. gasoline engine driven air compressor in compressor room74 views
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 W. Conway Yard Console74 views
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 Car Retarder Installation74 views
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 Union Car Retarders74 views
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 Receiving Yard Control Panel73 views
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 Allentown Yard73 views
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 E.B. Receiving Yard from hump equipped for electric operation73 views
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 73 views
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