NORTH-PHILADELPHIA-air-pressure-gauges.JPG
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NORTH-PHILADELPHIA-Bulletin-Board.JPG
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NORTH-PHILADELPHIA-CHW-Machine-Bottom.JPG
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NORTH-PHILADELPHIA-CHW-Machine-Top.JPG
658.61 KB

NORTH-PHILADELPHIA-Desk-1.JPG
603.00 KB

NORTH-PHILADELPHIA-Entire-Model-Board-and-Machine.JPG
743.27 KB

NORTH-PHILADELPHIA-Inside-Tower-eb-angle-close.JPG
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NORTH-PHILADELPHIA-Inside-Tower-eb-angle.JPG
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NORTH-PHILADELPHIA-Inside-Tower-Facing-Southwest.JPG
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NORTH-PHILADELPHIA-Model-Board-Center.JPG
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NORTH-PHILADELPHIA-Model-Board-East-End.JPG
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NORTH-PHILADELPHIA-Model-Board-West-End.JPG
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NORTH-PHILADELPHIA-New-Fleeting-for-CHW-Signals.JPG
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NORTH-PHILADELPHIA-Pannel-Blocking-and-Traffic-Levers.JPG
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NORTH-PHILADELPHIA-Signal-Bridge.JPG
669.30 KB

NORTH-PHILADELPHIA-Switch-Heater-Control.JPG
605.93 KB

NORTH-PHILADELPHIA-Tower-Horn-and-Indication-Lights.JPG
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NORTH-PHILADELPHIA-Traffic-Indicators.JPG
715.28 KB

NORTH-PHILADELPHIA-Entire-CHW-Machine.JPG
1.73 MB

NORTH-PHILADELPHIA-Old-Patch-Box.JPG
1.71 MB

NORTH-PHILADELPHIA-Power-Board-Top.JPG
1.85 MB

NORTH-PHILADELPHIA-Behind-Machine.JPG
490.60 KB

NORTH-PHILADELPHIA-Behind-Machine-Facing-East.JPG
310.53 KB

NORTH-PHILADELPHIA-Desk-2.JPG
535.83 KB