 Last additions - Shop Photos, Solid State Systems, & Special Photos
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C.T.C. Map70 viewsApr 22, 2017
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Line Dwg. on Two-Three-Four Indication Cab Signal Equip. Boxes77 viewsApr 22, 2017
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Fig. 4 - Automatic Block Signals79 viewsApr 22, 2017
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Fig. 7 - Interlocked Signal Layout89 viewsApr 22, 2017
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Fig. 3C - Double Rail A.C. Track Circuit75 viewsApr 22, 2017
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Hand operated switch equipped with Roller Bearing72 viewsApr 22, 2017
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Power operated switch equipped with Roller Bearing72 viewsApr 22, 2017
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Roller Bearing on mechanically interlocked switch point72 viewsApr 22, 2017
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Roller Bearing on mechanically interlocked switch points73 viewsApr 22, 2017
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Roller Bearing on long switch points71 viewsApr 22, 2017
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Roller Bearing on long switch points74 viewsApr 22, 2017
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Motor Car Indicator76 viewsApr 22, 2017
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Motor Car Indicator81 viewsApr 22, 2017
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How a Mechanically Rectified Decoding Circuit works. Bulletin 15777 viewsApr 22, 2017
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From Ad. #K2739 "The Evalution of C.T.C. and "Union" Track Code Control91 viewsApr 22, 2017
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Diagrams Retarders "Get switches closer together" and "You do not need additional track spacce for detector circuits.78 viewsApr 22, 2017
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Diagram- Save yard space by utilizing curved track for retarders78 viewsApr 22, 2017
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From Bul. 154 C.B.& Q.75 viewsApr 22, 2017
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81 viewsApr 22, 2017
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78 viewsApr 22, 2017
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74 viewsApr 22, 2017
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82 viewsApr 22, 2017
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C.T.C. Map133 viewsApr 22, 2017
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Central Railroad of New Jersey116 viewsApr 22, 2017
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109 viewsApr 22, 2017
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106 viewsApr 22, 2017
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113 viewsApr 22, 2017
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130 viewsApr 22, 2017
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T-21 Switch Stand107 viewsApr 22, 2017
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A.T.& S.F.R.R. - Canadian-Waynoka114 viewsApr 22, 2017
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M-22-A Gear Assembly109 viewsApr 22, 2017
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Railroad Trade Marks from Signalman's Journal124 viewsApr 22, 2017
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