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Most viewed - Centralized Traffic Control
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 Rockton to Beloit Jct.51 views
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 Roselle Illinois Code Control System51 views(storage unit)
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 Roselle Illinois Code Control System51 views(storage unit)
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 Signal Tower to S.51 views
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 Euclid to Madison C.T.C. machine51 viewsLoud speaker lineup on left wing of cabinet
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 51 views
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 So. Whitley - Hadley51 viewsMachine at So. Whitley
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 Looking east at B.& O. Jct. signal L-20 and L-22 to right of 9-ft. 8-in steel instrument case51 views
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 Savannah-Hamlet51 views
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 Savannah-Hamlet51 views
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 Savannah-Hamlet51 views
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 Savannah-Hamlet51 views
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 Savannah-Hamlet51 views
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 Coleman-Miami51 views
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 Savannah-Hamlet51 views
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 Direct Wire Panel51 views
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 Relay House at W. Milford51 views
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 La Grande-Reith - CTC machine51 views
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 Las Vegas, Nev. to Yermo, Cal. Machine at Las Vegas. 171 mile territory51 views
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 Santos Dumont - Lafaiete51 views
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 Santos Dumont - Lafaiete51 views
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 Santos Dumont - Lafaiete51 views
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 Santos Dumont - Lafaiete51 views
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 Brumadinho - Belo Hozizonte51 views
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 Brumadinho - Belo Hozizonte51 views
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 Lafaiete-Belo-Horizonte51 views
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 Lafaiete-Belo-Horizonte51 views
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 Lafaiete-Belo-Horizonte51 views
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 Lafaiete-Belo-Horizonte51 views
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 Lafaiete-Belo-Horizonte51 views
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 Japeri-Barra51 views
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 Paulista de Estradas R.R. - Itirapina-Baura51 views
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