File:Spagnolettiinstrument.JPG
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Original file (3,456 × 4,608 pixels, file size: 3.24 MB, MIME type: image/jpeg)
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Summary
| Description |
English: A Spagnoletti block telegraph instrument.The red and white keys were "pegged" or secured to give a "Train on Line" or "Line Clear" indication. |
| Source | Own work |
| Author | Bluffalobrill (talk) (Uploads) |
Licensing
I, the copyright holder of this work, hereby publish it under the following license:
 
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This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication. |
| The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 09:27, 18 July 2015 | | 3,456 × 4,608 (3.24 MB) | Bluffalobrill |
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- Usage on es.wikipedia.org
