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Railroad Pole Lines
![](/trans.gif) Album created by member Matt Weldon | Album Views: 35,052 | 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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DreamTrains
![](/trans.gif) Album created by member coco13cos | Album Views: 3,275,381 | Over 50.000 of RP's most appreciated and beautiful photos. |
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