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Classic Signals
Album created by member Peter Lewis | Album Views: 45,465 | A collection of exceptional photos of classic wayside signals. |
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Railroad Pole Lines
Album created by member Matt Weldon | Album Views: 32,149 | Photos showing the railroad pole lines. The pole line used four basic electrical circuits - telegraph, telephone, signaling, and power. Modern technologies of fiber optics, microwave, radio, satellite, and computers have been replacing the pole lines. |
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