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Looking north at end double track El Dorado. Switch and signals controlled from New Portage Jct. interlocking four miles away - P.R.R.74 views
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Looking north at end double track El Dorado. Switch and signals controlled from New Portage Jct. interlocking four miles away - P.R.R.88 views
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Remote control installation - Wabash72 views
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Remote control installation - Wabash68 views
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Double automatic signal location south of LaGrange, Ohio. Northbound passenger No. 146 approaching - Big Four RR69 views
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Looking south at single signal location near North Eaton, O. - Big Four RR85 views
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Double signal location south of LaGrange, Ohio, Looking north - Big Four RR81 views
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Looking north at single signal location near North Eaton, O. - Big Four RR75 views
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Southbound passenger No. 33 passing single signal location No. 29.1, LaGrange, O. - Big Four RR75 views
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Looking south at signal location 29.1, LaGrange, O. - Big Four RR74 views
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Double signal location south of LaGrange, O., Looking north - Big Four RR81 views
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Single signal location No. 23.1 between No. Eaton and Grafton, O., Looking South - Big Four RR77 views
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Single signal location No. 23.1 between No. Eaton and Grafton, O., Looking South - Big Four RR84 views
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Northbound freight passing LaGrange, Ohio station, southbound signal no. 29.1 in foreground - Big Four RR81 views
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T-2 signal and Style W switch & Lock movement, Revelstoke, B.C. - Canadian Pacific109 views
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Signal location 364.5 - P.R.R. about 6 mi. west of Warsaw, Ind.83 views
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Signal location 364.5 - P.R.R. about 6 mi. west of Warsaw, Ind.91 views
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Signal location 364.5 - P.R.R. about 6 mi. west of Warsaw, Ind.80 views
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Automatic signal location 455, middle arm governs trains westbound on P. & L. E. - Lower arm governs trains westbound on B. & O. 99 viewsP. & L. E. CTC installation
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Spring switch installation on the C. M. St. P. & P.96 views
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Spring switch installation on the C. M. St. P. & P.86 views
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Spring switch installation on the C. M. St. P. & P.84 views
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Spring switch installation on the C. M. St. P. & P.95 views
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Spring switch installation at Ferguson, Ia., on the C. M. St. P. & P.89 views
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Spring switch installation at Haverhill, Ia., on the C. M. St. P. & P.89 views
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Spring switch installation on the C. M. St. P. & P.104 views
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Driftwood interlocking showing tower in which CTC machine is located - P.R.R.106 views
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Looking east Driftwood Interlocking plant showing tower and location of CTC machine - P.R.R.126 views
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Santa Fe Super Chief128 views
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Southern Pacific Streamline Train229 views
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Delaware Water Gap - D. L. & W. Railroad217 views
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Delaware Water Gap - D. L. & W. Railroad224 views
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