File:ZOO-Model-14.jpg
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Image of a 1933 vintage Union Switch and Signal Model 14 electro-pneumatic interlocking machine as seen in Amtrak's ZOO tower c. 2006. Used for the story Back in Business
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 17:47, 27 October 2013 | | 3,456 × 2,304 (2.88 MB) | Sturmovik (talk | contribs) | Image of a 1933 vintage Union Switch and Signal Model 14 electro-pneumatic interlocking machine as seen in Amtrak's ZOO tower c. 2006. Used for the story Back in Business |
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