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Home > E.P. Interlocking

Most viewed - E.P. Interlocking
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 The Hump - Clearing - Push Button E.P.105 views
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 Control room with machine and track model from south end105 views
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 Tower "A" and draw bridges - searchlight signals in foreground105 views
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 Track model and machine from north end104 views
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 Train entering draw span near tower "A" - Boston Terminal104 views
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 Cincinnati E.P. Machine103 views
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 A-5 Double Slip Layout with Movable Point Frog in South Throat103 views
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 C.& O. Interlocking Machine102 views
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 Draws raised, tower "A" behinf right hand draw - Boston terminal102 views
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 West Ashland, KY101 views
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 Relay house in foreground at end of station platform - Boston terminal100 views
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 C.& O. Interlocking Machine99 views
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 Part of north throat99 views
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 North throat from instrument room99 views
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 A-5 Double Slip Layout with M.P.F. in south throat98 views
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 Two lever operating stand with SL-20 Electric Locks for Hand Operated Switches in platform area98 views
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 E.P. movements and searchlight signals - north of tower "A" - Boston terminal98 views
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 E.P.. movements and scissors crossover with double slip switches looking north near tower "A" - Boston terminal98 views
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 Model 14 Switch & Lock Movement on Three Position Station Tracks97 views
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 South throat from instrument room97 views
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 Looking north from one of the double track draws - Boston terminal96 views
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 Southeast, southwest, and southern approaches during construction95 views
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 Looking north from station platform - Boston terminal95 views
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 Middle siding layout in platform area94 views
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 Instruments for carrying track circuits across draw bridges with cover on - Boston terminal94 views
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 Cincinnati E.P. Machine93 views
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 Cincinnati E.P. Machine93 views
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 Middle siding layout in platform area93 views
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 Tower "A" and layout looking north from draw bridge - Boston Terminal93 views
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 General view of Clearing Classification Yard91 views
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 Instruments with cover removed for carrying track circuits across draw bridges - Boston terminal89 views
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 Detail study of Cincinnati E.P. machine88 views
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