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Allegheny & Western
Photo Gallery - page 4 > Image 33
Image 33 of 47
This photo shows the interlocking at the entrance to the Bethlehem steel mill, and the wiring needed for both track power and signals. At the right edge of the photo is the blue CAT5 cable for the NCE control bus, along with12V DC feeders to power the controllers. The electronics board at the center left controls the switch machines, while the board further back contains the block occupancy detectors. Steel mill buildings from the old layout are stored in the background.

 

 

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West Island Model Railroad Club 2017